Multi-angle adjustable LED projection lamp

Abstract

The application relates to the technical field of light projecting lamps, in particular to a multi-angle adjusting type LED light projecting lamp which comprises an outer shell, a lens and a PCB plate fixedly installed in the outer shell, ITO glass arranged in the outer shell, eight gold-plated spring needles fixedly installed on one side of the PCB plate close to the ITO glass, four strip-shaped electrodes fixedly installed on one side of the ITO glass close to the PCB plate, a top cover fixedly connected to the top of the outer shell, a clamping plate fixedly connected to one end of the top cover close to the lens, and a mounting seat slidably and tightly installed in the inner part of the outer shell. The application has the beneficial effects that the mode of machining a counterbore at four corners of the ITO glass and cooperating with a guide column in the prior art is replaced, the possibility of ITO glass damage is reduced, and the ITO glass is installed in the inner part of the mounting seat from top to bottom, so that the installation process is simplified.

Description

Technical Field

[0001] This invention relates to the field of floodlight technology, specifically to a multi-angle adjustable LED floodlight. Background Technology

[0002] Some LED floodlights use ITO material for their transparent conductive film. ITO is deposited on the lens surface and can be used in some special scenarios (such as anti-fog, de-icing, and intelligent dimming).

[0003] ITO glass can be used directly as a lens, but it is only recommended for static, high-precision, and high-temperature professional applications. For most stage lighting fixtures, polymer lenses combined with ITO glass are more practical and economical. When ITO glass is used as a conductive layer, it needs to be energized to achieve the effects of heating and preventing condensation on the lens. Typically, gold-plated spring pins are fixed to the surface of the PCB board, and the tips of the gold-plated spring pins are directly pressed against electrodes to conduct electricity.

[0004] To ensure the gold-plated springs align with the electrodes, a certain number of nylon guide posts need to be installed between the PCB board and the ITO glass. Countersunk holes need to be machined at the four corners of the ITO glass, and the guide posts are then fixed with nylon screws. Because ITO glass is brittle and easily broken, it is very easy to damage the ITO glass during the machining of the four corners, which will increase production costs. Furthermore, the ITO glass is limited by inserting the countersunk holes at the four corners of the ITO glass into the corresponding guide posts. When the workers align the countersunk holes with the guide posts by hand and insert them, they need to repeatedly correct them. In addition, because the distance between the ITO glass and the inner wall of the floodlight housing is very short, the operation of placing the ITO glass is difficult, which increases the installation difficulty. Summary of the Invention

[0005] The purpose of this invention is to provide a multi-angle adjustable LED floodlight to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a multi-angle adjustable LED floodlight, comprising a housing, a lens fixedly installed inside the housing, a PCB board, and an ITO glass disposed inside the housing. The ITO glass is located between the lens and the PCB board. Eight evenly distributed gold-plated spring pins are fixedly installed on the side of the PCB board near the ITO glass. Four evenly distributed strip electrodes are fixedly installed on the side of the ITO glass near the PCB board. The eight gold-plated spring pins are paired up and respectively attached to the four strip electrodes. A top cover is fixedly connected to the top of the housing. A retaining plate is fixedly connected to the bottom of the top cover near the lens. A mounting base is slidably fitted inside the housing. Both ends of the mounting base are provided with an operating mechanism, a limiting mechanism, and a protective mechanism.

[0007] Preferably, both ends of the outer shell are rotatably connected to support side plates, and the bottoms of the two support side plates are fixedly connected to a support base. A servo motor is fixedly installed on the outer side of one of the support side plates, and the output shaft of the servo motor is fixedly connected to the outer shell.

[0008] Preferably, push rods are symmetrically fixedly mounted on the side of the mounting base near the lens, and both push rods movably pass through the outer shell.

[0009] Preferably, the operating mechanism includes a threaded rod and a vertical rod. The threaded rod is rotatably installed inside the mounting base, and the vertical rod is fixedly installed inside the mounting base. A lifting frame is threadedly connected to the outside of the threaded rod. The end of the lifting frame away from the threaded rod is slidably sleeved on the outside of the vertical rod. Four evenly distributed tie rods are fixedly installed on the inner side of the lifting frame, and eight tie rods are fixedly installed on the side of the lifting frame near the ITO glass.

[0010] Preferably, the limiting mechanism includes a first bracket and two second brackets. The first bracket and the two second brackets are slidably connected to the mounting base. The first bracket has four evenly distributed pulleys fixedly installed on the side near the ITO glass. The two second brackets have four evenly distributed pulleys fixedly installed on opposite sides. The first bracket has four evenly distributed diagonal rods fixedly installed on the side near the lifting frame. The two second brackets have four evenly distributed diagonal rods fixedly installed on the side near the lifting frame. The bottoms of the four first pull rods are slidably sleeved on the outside of their respective adjacent diagonal rods. The bottoms of the eight second pull rods are slidably sleeved on the outside of their respective adjacent diagonal rods.

[0011] Preferably, the protective mechanism includes a mounting plate 1 and two mounting plates 2. A silicone pad 1 is fixedly installed on the side of the mounting plate 1 near the ITO glass. Silicone pads 2 are fixedly installed on the opposite sides of the two mounting plates 2. The mounting plate 1, mounting plate 2, silicone pad 1, and silicone pad 2 each have four through holes. The twenty-four through holes are paired up and cooperate with four pulleys 1 and eight pulleys 2 respectively. Limiting grooves are provided on the opposite side of the mounting plate 1 and the bracket 1, and on the side of the two mounting plates 2 that are far apart from each other and on the opposite side of the two brackets 2. A flipping mechanism is provided between each pair of adjacent limiting grooves.

[0012] Preferably, the flipping mechanism includes two connecting plates, the tops of which are fixedly connected to the mounting base, and a connecting shaft is fixedly installed on the bottom of the opposite sides of the two connecting plates. A flipping plate is rotatably sleeved on the outside of the connecting shaft. Limiting sliders are rotatably connected to the top and bottom of the flipping plate, and the two limiting sliders are slidably installed inside two adjacent limiting grooves.

[0013] Preferably, a silicone pad three is fixedly installed at the bottom of the top cover, and a silicone pad four is fixedly installed at the bottom of the mounting base.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. By placing the ITO glass into the mounting base and using a limiting mechanism to place the ITO glass parallel to the PCB board, the ITO glass is limited, and the strip electrode on one side of the ITO glass corresponds to the gold-plated spring pin. This replaces the existing technology of machining countersunk holes at the four corners of the ITO glass to cooperate with the guide post, reducing the possibility of damage to the ITO glass. Furthermore, by installing the ITO glass inside the mounting base from top to bottom, the installation process is simplified.

[0016] 2. Through the protective mechanism, after the ITO glass is completely inside the mounting base, the operating mechanism moves pulley one and pulley two away from the ITO glass. Silicone pads one, two, three, and four can protect the ITO glass from all sides, preventing hard contact between the ITO glass and the mounting base. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the PCB board structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the ITO structure of the present invention;

[0020] Figure 4 This is an overall sectional view of the present invention;

[0021] Figure 5 For the present invention Figure 4 A magnified view of part A in the diagram;

[0022] Figure 6 For the present invention Figure 4 A magnified view of part B in the diagram;

[0023] Figure 7 This is a partial top view of the present invention;

[0024] Figure 8 For the present invention Figure 7 A magnified view of part C in the diagram;

[0025] Figure 9 This is a partial top view of the mounting base of the present invention;

[0026] Figure 10 For the present invention Figure 9 A magnified view of part D in the diagram;

[0027] Figure 11 This is a schematic diagram of the operating mechanism, limiting mechanism, and protective mechanism of the present invention;

[0028] Figure 12 This is a schematic diagram of the operating mechanism, limiting mechanism and protective mechanism of the present invention from another side.

[0029] Figure 13 This is a schematic diagram of the flipping mechanism of the present invention.

[0030] The components represented by each number in the attached diagram are listed below: 1. Housing; 2. Lens; 3. ITO glass; 4. PCB board; 5. Gold-plated spring pin; 6. Strip electrode; 7. Support side plate; 8. Support base; 9. Servo motor; 10. Top cover; 11. Clamping plate; 12. Mounting base; 13. Push rod; 14. Threaded rod; 15. Vertical rod; 16. Lifting frame; 17. Pull rod one; 18. Pull rod two; 19. Bracket one; 20. Bracket two; 21. Pulley one; 22. Pulley two; 23. Diagonal rod one; 24. Diagonal rod two; 25. Mounting plate one; 26. Mounting plate two; 27. Silicone pad one; 28. Silicone pad two; 29. ​​Through hole; 30. Limiting groove; 31. Connecting plate; 32. Connecting shaft; 33. Flip plate; 34. Limiting slider; 35. Silicone pad three; 36. Silicone pad four. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] This invention provides a technical solution: such as Figure 1 - Figure 13 The multi-angle adjustable LED floodlight shown includes a housing 1, a lens 2 fixedly installed inside the housing 1, a PCB board 4, and an ITO glass 3 disposed inside the housing 1. The ITO glass 3 is located between the lens 2 and the PCB board 4. Eight evenly distributed gold-plated spring pins 5 are fixedly installed on the side of the PCB board 4 near the ITO glass 3. Four evenly distributed strip electrodes 6 are fixedly installed on the side of the ITO glass 3 near the PCB board 4. The eight gold-plated spring pins 5 are paired with the four strip electrodes 6 respectively. A top cover 10 is fixedly connected to the top of the housing 1. A retaining plate 11 is fixedly connected to the bottom of the top cover 10 near the lens 2. A mounting base 12 is slidably fitted inside the housing 1. Both ends of the mounting base 12 are provided with an operating mechanism, a limiting mechanism, and a protective mechanism.

[0033] Both ends of the outer casing 1 are rotatably connected to support side plates 7. The bottoms of the two support side plates 7 are fixedly connected to a support base 8. A servo motor 9 is fixedly installed on the outer side of one of the support side plates 7. The output shaft of the servo motor 9 is fixedly connected to the outer casing 1.

[0034] Push rods 13 are symmetrically fixedly mounted on the side of the mounting base 12 near the lens 2, and both push rods 13 are movable through the outer shell 1.

[0035] The operating mechanism includes a threaded rod 14 and a vertical rod 15. The threaded rod 14 is rotatably installed inside the mounting base 12, and the vertical rod 15 is fixedly installed inside the mounting base 12. The threaded rod 14 is externally threadedly connected to a lifting frame 16. The end of the lifting frame 16 away from the threaded rod 14 is slidably sleeved on the outside of the vertical rod 15. Four evenly distributed tie rods 17 are fixedly installed on the inner side of the lifting frame 16, and eight tie rods 18 are fixedly installed on the side of the lifting frame 16 closest to the ITO glass 3.

[0036] The limiting mechanism includes a bracket 19 and two brackets 20. Both bracket 19 and the two brackets 20 are slidably connected to the mounting base 12. Four evenly distributed pulleys 21 are fixedly installed on the side of bracket 19 near the ITO glass 3. Four evenly distributed pulleys 22 are fixedly installed on the opposite sides of the two brackets 20. Four evenly distributed diagonal rods 23 are fixedly installed on the side of bracket 19 near the lifting frame 16. Four evenly distributed diagonal rods 24 are fixedly installed on the side of the two brackets 20 near the lifting frame 16. The bottoms of four tie rods 17 are slidably sleeved on the outside of their respective adjacent diagonal rods 23. The bottoms of eight tie rods 28 are slidably sleeved on the outside of their respective adjacent diagonal rods 24.

[0037] The protective mechanism includes mounting plate 1 25 and two mounting plates 26. A silicone pad 27 is fixedly installed on the side of mounting plate 1 25 near the ITO glass 3. Silicone pads 28 are fixedly installed on the opposite sides of the two mounting plates 26. The interior of mounting plate 1 25, mounting plate 26, silicone pad 1 27 and silicone pad 28 are each provided with four through holes 29. The twenty-four through holes 29 are paired with four pulleys 1 21 and eight pulleys 22 respectively. Limiting grooves 30 are provided on the opposite side of mounting plate 1 25 and bracket 1 19, the side of the two mounting plates 26 that is far away from each other and the opposite side of the two brackets 20. A flipping mechanism is provided between each pair of adjacent limiting grooves 30.

[0038] The flipping mechanism includes two connecting plates 31. The tops of the two connecting plates 31 are fixedly connected to the mounting base 12. The bottoms of the two connecting plates 31 on opposite sides are fixedly mounted with a connecting shaft 32. A flipping plate 33 is rotatably sleeved on the outside of the connecting shaft 32. The top and bottom of the flipping plate 33 are rotatably connected with limit sliders 34. The two limit sliders 34 are slidably installed inside two adjacent limit grooves 30.

[0039] A silicone pad 35 is fixedly installed at the bottom of the top cover 10, and a silicone pad 4 36 is fixedly installed at the bottom of the mounting base 12.

[0040] Working principle: When installing the ITO glass 3 inside the housing 1, first remove the top cover 10. By pulling the two push rods 13, the mounting base 12 is moved towards one side of the lens 2. Then, the ITO glass 3 is placed into the mounting base 12 from top to bottom. The four pulleys 21 in the two limiting mechanisms are located on the two sides of the ITO glass 3. Each pulley 21 limits its corresponding side of the ITO glass 3, and the two adjacent pulleys 22 limit their corresponding ends of the ITO glass 3. Therefore, the ITO glass 3 will not touch the two silicone pads 27 and the four silicone pads 28 during the descent process (as needs further explanation). However, since the two silicone pads 27 and four silicone pads 28 are themselves soft and elastic materials, when they come into contact with the surface of the ITO glass 3, they will generate large static and dynamic friction forces due to intermolecular adhesion and deformation. Furthermore, the two silicone pads 27 and four silicone pads 28 tend to form a tight bond with the ITO glass 3, which will further increase the resistance when the ITO glass 3 moves. Since the ITO glass 3 is brittle and easily broken, the contact between the two silicone pads 27 and four silicone pads 28 during the descent of the ITO glass 3 will result in greater resistance to the descent of the ITO glass 3, which may cause the ITO glass 3 to break.

[0041] When the ITO glass 3 descends to the bottom, rotating one of the threaded rods 14 causes the lifting frame 16 connected to the threaded rod 14 to move downwards under the action of its corresponding vertical rod 15. This causes the four pull rods 17 and each pull rod 18 to move downwards simultaneously. The four pull rods 17 act on their respective inclined rods 23, and each pull rod 18 acts on its respective inclined rod 24. The bracket 19 then drives the four pulleys 21 to move away from the ITO glass 3. The two brackets 20 move away from each other simultaneously, causing their respective pulleys 22 to move away from the ITO glass 3. Due to the movement of the brackets 19 and the two brackets 20, the flip plates 33 between adjacent brackets 19 and mounting plates 25, and between each bracket 20 and its adjacent mounting plates 26, rotate around the corresponding connecting shaft 32. The limiting sliders 34 at both ends of each flip plate 33 slide inside the corresponding limiting grooves 30. Mounting plate 125 pushes silicone pad 27 to press against the side of ITO glass 3, while mounting plates 26 push their respective silicone pads 28 to press against the end of ITO glass 3. (It should be noted that T-shaped sliders are fixedly installed in mounting plates 25 and 26, and corresponding T-shaped grooves are opened inside the mounting base 12. Mounting plates 25 and 26 are slidably installed inside the mounting base 12 through the cooperation of T-shaped sliders and T-shaped grooves.) Bracket 19 and the two brackets 20 drive their respective pulleys 21 and 22 away from ITO glass 3. The purpose of moving pulleys 21 and 22 away from ITO glass 3 is to prevent hard contact between pulleys 21 and 22 and damage to ITO glass 3 when ITO glass 3 is vibrated and displaced during the use of the floodlight. Similarly, the process of rotating the other threaded rod 14 is as described above.

[0042] After rotating both threaded rods 14, the mounting base 12 is pushed towards one side of the PCB board 4 by the two push rods 13. Once it reaches its limit position, the four strip electrodes 6 on one side of the ITO glass 3 contact their respective gold-plated spring pins 5, thus making the ITO glass 3 conductive. Then, the top cover 10 is inserted into the corresponding position, and the clamping plate 11 fixes the position of the mounting base 12. Finally, the top cover 10 is fixed to the top of the outer casing 1 with bolts. (It should be noted that when installing the ITO glass 3, if the mounting base 12 is not moved away from the PCB board 4, and the ITO glass 3 is directly inserted downwards into the mounting base 12, the gold-plated spring pins 5 will first touch the ITO glass 3, and as the ITO glass 3 moves, the gold-plated spring pins 5 will slide on the surface of the ITO glass 3, potentially causing damage to the ITO glass 3.) Two silicone pads... Silicone pads 27 press and protect the sides of the ITO glass 3, four silicone pads 28 press and protect the ends of the corresponding ITO glass 3, silicone pad 36 protects the bottom of the ITO glass 3, and silicone pad 35 presses and protects the top of the ITO glass 3, preventing hard contact between the ITO glass 3 and the mounting base 12. The operation of the servo motor 9 can drive the housing 1 to rotate, thereby allowing the floodlight to be adjusted at multiple angles to meet different working needs. When removing the ITO glass 3, reverse the two threaded rods 14 so that the corresponding pulleys 21 on both sides of the ITO glass 3 move closer to the ITO glass 3, and each pulley 22 at the end of the ITO glass 3 moves closer to the ITO glass 3. The two silicone pads 27 and four silicone pads 28 move away from the ITO glass 3, so that the ITO glass 3 can be removed upwards.

[0043] It should be noted that when the ITO glass 3 is placed in the mounting base 12, the limiting mechanism is used to make the ITO glass 3 and the PCB board 4 parallel, which achieves the effect of limiting the ITO glass 3. Then, the ITO glass 3 is pushed so that the strip electrode 6 on one side corresponds with the gold-plated spring pin 5. This solves the problem that the existing technology of machining countersunk holes at the four corners of the ITO glass 3 and matching them with guide posts can easily cause the ITO glass 3 to break. Furthermore, by installing the ITO glass 3 inside the mounting base 12 from top to bottom, the operator does not need to repeatedly correct it, thus simplifying the installation process of the ITO glass 3.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0045] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-angle adjustable LED floodlight, comprising a housing (1), a lens (2) fixedly installed inside the housing (1), a PCB board (4), and an ITO glass (3) disposed inside the housing (1), characterized in that: The ITO glass (3) is located between the lens (2) and the PCB board (4). Eight evenly distributed gold-plated spring pins (5) are fixedly installed on the side of the PCB board (4) near the ITO glass (3). Four evenly distributed strip electrodes (6) are fixedly installed on the side of the ITO glass (3) near the PCB board (4). The eight gold-plated spring pins (5) are paired with the four strip electrodes (6) respectively. A top cover (10) is fixedly connected to the top of the outer shell (1). A clamping plate (11) is fixedly connected to the bottom of the top cover (10) near the lens (2). A mounting base (12) is slidably fitted inside the outer shell (1). An operating mechanism, a limiting mechanism and a protective mechanism are provided at both ends inside the mounting base (12). The operating mechanism includes a threaded rod (14) and a vertical rod (15). The threaded rod (14) is rotatably installed inside the mounting base (12), and the vertical rod (15) is fixedly installed inside the mounting base (12). The threaded rod (14) is threadedly connected to a lifting frame (16). The end of the lifting frame (16) away from the threaded rod (14) is slidably sleeved on the outside of the vertical rod (15). Four evenly distributed pull rods (17) are fixedly installed on the inner side of the lifting frame (16), and eight pull rods (18) are fixedly installed on the side of the lifting frame (16) near the ITO glass (3). The limiting mechanism includes a bracket 1 (19) and two brackets 2 (20). The bracket 1 (19) and the two brackets 2 (20) are slidably connected to the mounting base (12). The bracket 1 (19) is fixedly installed with four evenly distributed pulleys 1 (21) on the side near the ITO glass (3). The two brackets 2 (20) are fixedly installed with four evenly distributed pulleys 2 (22) on the opposite sides. The bracket 1 (19) is fixedly installed with four evenly distributed diagonal rods 1 (23) on the side near the lifting frame (16). The two brackets 2 (20) are fixedly installed with four evenly distributed diagonal rods 2 (24) on the side near the lifting frame (16). The bottoms of the four pull rods 1 (17) are slidably sleeved on the outside of their respective adjacent diagonal rods 1 (23). The bottoms of the eight pull rods 2 (18) are slidably sleeved on the outside of their respective adjacent diagonal rods 2 (24). The protective mechanism includes a mounting plate 1 (25) and two mounting plates 2 (26). A silicone pad 1 (27) is fixedly installed on the side of the mounting plate 1 (25) near the ITO glass (3). A silicone pad 2 (28) is fixedly installed on the opposite side of the two mounting plates 2 (26). Four through holes (29) are opened inside the mounting plate 1 (25), mounting plate 2 (26), silicone pad 1 (27) and silicone pad 2 (28). The twenty-four through holes (29) are paired with four pulleys 1 (21) and eight pulleys 2 (22) respectively. Limiting grooves (30) are opened on the opposite side of the mounting plate 1 (25) and bracket 1 (19), the opposite side of the two mounting plates 2 (26) and the opposite side of the two brackets 2 (20). A flipping mechanism is provided between each pair of adjacent limiting grooves (30).

2. The multi-angle adjustable LED floodlight according to claim 1, characterized in that: Both ends of the outer shell (1) are rotatably connected to support side plates (7), and the bottoms of the two support side plates (7) are fixedly connected to a support base (8). A servo motor (9) is fixedly installed on the outer side of one of the support side plates (7), and the output shaft of the servo motor (9) is fixedly connected to the outer shell (1).

3. The multi-angle adjustable LED floodlight according to claim 1, characterized in that: The mounting base (12) has push rods (13) symmetrically fixedly mounted on the side near the lens (2), and both push rods (13) are movable through the outer shell (1).

4. A multi-angle adjustable LED floodlight according to claim 1, characterized in that: The flipping mechanism includes two connecting plates (31). The tops of the two connecting plates (31) are fixedly connected to the mounting base (12). The bottoms of the two connecting plates (31) on opposite sides are fixedly mounted with a connecting shaft (32). A flipping plate (33) is rotatably sleeved on the outside of the connecting shaft (32). The top and bottom of the flipping plate (33) are rotatably connected with limit sliders (34). The two limit sliders (34) are slidably installed inside two adjacent limit grooves (30).

5. A multi-angle adjustable LED floodlight according to claim 1, characterized in that: The bottom of the top cover (10) is fixedly installed with a silicone pad three (35), and the bottom of the mounting base (12) is fixedly installed with a silicone pad four (36).

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