LED light source lamp set, projection lamp and use method of projection lamp

Abstract

The invention belongs to the technical field of non-portable lighting devices, particularly relates to an LED light source lamp set, a projection lamp and a use method of the projection lamp, and aims to solve the problems that in the prior art, the temperature of a light source is often difficult to effectively reduce through a traditional heat dissipation mode, and a traditional projection lamp usually adopts a fixed pattern plate or a character plate; the LED light source lamp set comprises a base plate, and a driving motor is fixedly installed in the center of the top of the base plate. The supporting ring is fixed to the top of the chassis through a plurality of mounting rods, an adjusting disc is rotatably connected into the supporting ring, and an output shaft of the driving motor is fixedly connected with the bottom of the adjusting disc. In the operation process of the projection lamp, stable cooling and heat dissipation can be conducted on the projection lamp, so that the projection lamp can normally and stably operate; and meanwhile, the positions of different fluorescent plates can be adjusted, so that different pictures or characters can be displayed, and meanwhile, the angle and orientation of the lamp shell can be conveniently adjusted.

Description

Technical Field

[0001] The present invention relates to the technical field of non-portable lighting devices, and particularly to an LED light source lamp group, a projection lamp and a using method thereof. Background Art

[0002] With the rapid development of modern technology, the projection lamp technology is increasingly widely used in various fields. Especially in stage performances, advertising, home entertainment, and commercial displays, etc., the projection lamp is deeply loved by users with its unique visual effects and flexible display methods. However, there are some inherent defects in the design of the light source lamp group of traditional projection lamp devices, such as insufficient light source brightness, poor heat dissipation effect, non-adjustable light direction, single display of patterns or texts, etc. These problems have limited the application range and use effect of the projection lamp to a certain extent.

[0003] In terms of light source brightness, the light sources of traditional projection lamps usually use halogen lamps or fluorescent lamps, etc. These light sources have limited brightness and high energy consumption, which not only increases the use cost, but also limits the clarity and brightness of the projection screen. At the same time, due to the large amount of heat generated by the light source, traditional heat dissipation methods are often difficult to effectively reduce the temperature of the light source, resulting in a shortened lifespan of the light source and even potential safety hazards.

[0004] In terms of adjusting the light direction, the light direction of traditional projection lamps is usually fixed and difficult to be flexibly adjusted according to actual needs. This not only limits the use scenarios of the projection lamp, but also may cause problems such as shadows or uneven brightness on the projection screen, affecting the viewing experience of the audience.

[0005] In terms of the display of patterns or texts, traditional projection lamps usually use fixed pattern plates or text plates, and it is difficult to achieve flexible switching and dynamic display of patterns or texts. This not only limits the expression ability and creative space of the projection lamp, but also is difficult to meet the needs of users for diverse display effects.

[0006] In view of the above problems, the present invention proposes an LED light source lamp group, a projection lamp and a using method thereof to solve the problems proposed above. Summary of the Invention

[0007] The present invention provides an LED light source lamp group, a projection lamp and a using method thereof, which solve the disadvantages that traditional heat dissipation methods in the prior art are often difficult to effectively reduce the temperature of the light source, and that traditional projection lamps usually use fixed pattern plates or text plates and it is difficult to achieve flexible switching and dynamic display of patterns or texts.

[0008] The present invention provides the following technical solutions:

[0009] An LED light source lamp group, comprising:

[0010] The chassis has a driving motor fixedly mounted at the top center;

[0011] A support ring is fixed to the top of the chassis through a plurality of mounting rods, the support ring is rotatably connected to the adjustment disk, and the output shaft of the drive motor is fixedly connected to the bottom of the adjustment disk;

[0012] The supporting mechanism comprises two supporting plates symmetrically fixed on the top of the adjusting disk, and a transmission assembly is arranged between the supporting plates;

[0013] The lamp assembly mechanism comprises a lamp housing rotatably connected to the support plate, LED lamp beads arranged in the lamp housing, a reflector and a detachable lampshade, wherein the outer wall of the lampshade is provided with heat dissipation fins;

[0014] The cooling mechanism comprises a water tank disposed on the top of the adjusting plate and a cooling liquid circulation pipeline connecting the water tank and the lamp housing;

[0015] Wherein, the transmission assembly includes a gear arm and a second stepper motor, and the gear arm is transmission-connected to the lamp housing through a connecting plate, and is used to adjust the projection angle of the lamp assembly mechanism;

[0016] The cooling liquid circulation pipeline comprises an annular pipe connected to a water tank. The annular pipe injects cooling liquid into the lamp housing through a plurality of connecting pipes, and realizes cooling liquid reflux through a conical bent pipe.

[0017] As a further improvement of the above technical solution:

[0018] The transmission assembly also includes:

[0019] A bracket is fixed between the two support plates;

[0020] The support shaft horizontally penetrates the bracket, and the gear arm is rotatably sleeved on the support shaft;

[0021] A gear, fixed to the output shaft of the second stepping motor and meshing with the gear arm;

[0022] The connecting ring is fixedly arranged on the outside of the lamp housing. One end of the connecting plate is hinged to the gear arm, and the other end is slidably inserted into the connecting ring.

[0023] The lamp assembly mechanism also includes:

[0024] A mounting ring, fixedly arranged in the lamp housing, with an external threaded ring on one side;

[0025] An internal thread ring, threadedly connected to the external thread ring, the internal thread ring fixing the lampshade via a support frame;

[0026] The limiting plate is fixed in the mounting ring and is slidably connected to the sealing plate through the support rod. The sealing plate can move under the action of the coolant pressure to form a coolant circulation channel.

[0027] The cooling mechanism also includes:

[0028] A circulation pump is fixedly installed on the top of the adjustment disc. Its input end is connected to the bottom of the water tank, and its output end is connected to the annular pipe through a first hose.

[0029] A second hose connects the conical elbow and the top of the water tank to form a coolant return path.

[0030] A compression spring is provided between the sealing plate and the mounting ring. Under normal conditions, the sealing plate closes the outlet of the mounting ring, and when the coolant pressure exceeds the threshold, the sealing plate compresses the spring to open the channel.

[0031] A projection lamp includes the above-mentioned LED light source lamp group, and further includes:

[0032] A control module is electrically connected to the drive motor, the first stepping motor and the second stepping motor, and is used to regulate the light direction, angle and fluorescent plate switching.

[0033] A power supply module supplies power to the LED lamp beads and the motors.

[0034] A switching mechanism includes a first stepping motor fixedly installed on the top of the lamp housing, a mounting bracket driven by the first stepping motor, and a plurality of fluorescent plates detachably installed on the mounting bracket.

[0035] As a further improvement of the above technical solution:

[0036] The switching mechanism further includes:

[0037] Mounting holes are equidistantly opened on the mounting bracket, and clamping strips are provided on the inner walls thereof.

[0038] A fixing ring is fixedly installed on the edge of the fluorescent plate, and a clamping groove matched with the clamping strip is provided on the fixing ring.

[0039] A first magnet ring and a second magnet ring are respectively embedded in the mounting bracket and the fixing ring for magnetic positioning of the fluorescent plate.

[0040] The water tank is provided with a semiconductor refrigeration sheet, the cold end of which contacts the inner wall of the water tank, and the hot end is connected to a heat dissipation module, and the heat dissipation module includes fins and a fan.

[0041] A usage method of the projection lamp according to the above includes the following steps:

[0042] S1. Adjust the light direction and install the fluorescent plate by the drive motor: After placing the device at a predetermined position, start the drive motor to drive the adjustment disc to rotate, and adjust the light direction of the lamp group to the target wall / curtain; synchronously insert the fixing ring into the mounting hole, and through the clamping connection of the clamping strip and the clamping groove, and cooperate with the magnetic attraction of the first magnet ring and the second magnet ring, realize the braking positioning installation of the fluorescent plate.

[0043] S2. The second stepper motor drives the light group to adjust the angle: After the direction adjustment is completed, the second stepper motor is started to drive the gear to rotate, and the gear arm is meshed to drive the connecting plate to move in an arc; with the cooperation of the connecting ring, the light group mechanism is driven to complete the precise angle adjustment;

[0044] S3, LED lamp beads powered on and fluorescent board projection: After the lamp group is adjusted, the LED lamp beads are powered on to emit light. After the light is gathered by the reflector, it is projected through the fluorescent board with pre-engraved patterns / texts to realize the display of pictures and texts on the wall / curtain;

[0045] S4, the first stepper motor drives the fluorescent panel to switch: the first stepper motor is started to drive the transmission shaft to rotate, and the mounting frame is driven to rotate; the installed fluorescent panel moves in a circular motion and is positioned at the opening of the lamp housing to realize the screen switching;

[0046] S5. Quick replacement of fluorescent plate: when replacing, pull out the fixing ring, separate the first magnet ring and the second magnet ring to take out the old plate, insert the new fluorescent plate and perform the reverse operation to complete the replacement;

[0047] S6, circulating pump driven cooling system: During the operation of the LED, the circulating pump draws coolant from the water tank and injects it into the lamp housing through the first hose, the second hose, the annular pipe and the connecting pipe; the sealing plate moves under the action of hydraulic pressure to control the coolant to form a closed circulation loop between the reflector and the mounting ring, and the coolant reflux circulation is realized through the tapered elbow to achieve continuous and stable heat dissipation.

[0048] It is to be understood that the foregoing general description and the following detailed description are exemplary only and are not restrictive of the invention.

[0049] Beneficial effect: In the present invention, by means of the support mechanism, two support plates can be used to rotatably support the lamp assembly mechanism, so that after borrowing the driving force of the transmission assembly, the lamp assembly mechanism can be driven to adjust the angle, so that the light emitted by the lamp assembly mechanism can be irradiated on a designated area;

[0050] In the present invention, by means of the lamp assembly mechanism, after the external thread ring and the internal thread ring are threadedly fastened, the lampshade can be installed in the lamp housing. At this time, the multiple heat dissipation fins arranged on the lampshade can absorb the heat emitted by the LED lamp beads after the LED lamp beads are lit, so as to achieve the purpose of dissipating the heat of the LED lamp beads, and the reflector can diffuse the light emitted by the LED lamp beads so as to output the light;

[0051] In the present invention, through the provided switching mechanism, the first stepping motor can be started to drive the transmission shaft to rotate. At this time, the mounting frame can be driven to rotate. Therefore, after a plurality of fluorescent plates are installed in the corresponding mounting holes, the plurality of fluorescent plates can move circularly therewith, so that the plurality of fluorescent plates can be moved to positions corresponding to the openings of the lamp housing. Different patterns or characters can be engraved on the plurality of fluorescent plates. In this way, under the action of light transmission, the patterns or characters can be projected onto the projected wall or curtain, so as to display different patterns or characters.

[0052] In the present invention, through the provided cooling mechanism, the circulating pump can be started to extract the coolant in the water tank. Then, the coolant can be transported into the annular pipe through the first hose. Next, the coolant can be transported into the lamp housing through a plurality of connecting pipes, so as to inject the coolant into the lamp housing. The coolant is used to cool and dissipate heat from the lamp cover and a plurality of heat dissipation fins. And during the continuous output process, the sealing plate can move under the action of hydraulic pressure, so that the sealing plate can be moved out of the mounting ring. Therefore, the coolant can flow out of the mounting ring, and then the coolant can flow back to the water tank through the conical elbow and the second hose, so as to recycle the coolant, and thus continuous and stable heat dissipation of the lamp group mechanism can be achieved.

[0053] The present invention can stably cool and dissipate heat from the projection lamp during the operation of the projection lamp, so that the projection lamp can operate normally and stably. At the same time, the positions of different fluorescent plates can be adjusted, so different pictures or characters can be displayed. At the same time, it is convenient to adjust the angle and orientation of the lamp housing, so it is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] Figure 1 is a three-dimensional schematic diagram of the first perspective of the LED light source lamp group provided by the embodiment of the present invention;

[0055] Figure 2 is a three-dimensional schematic diagram of the second perspective of the LED light source lamp group provided by the embodiment of the present invention;

[0056] Figure 3 is a three-dimensional schematic diagram of the sectional structure of the lamp housing of the LED light source lamp group provided by the embodiment of the present invention;

[0057] Figure 4 is a three-dimensional schematic diagram of the separated structure of the fixing ring and the lamp cover of the LED light source lamp group provided by the embodiment of the present invention;

[0058] Figure 5 is a three-dimensional schematic diagram of the structure of the lamp cover and the LED lamp beads of the LED light source lamp group provided by the embodiment of the present invention;

[0059] Figure 63D schematic diagram of the sealing plate and connection cover structure of the LED light source lamp group provided by the embodiment of the present invention;

[0060] Figure 7 3D schematic diagram of the mounting bracket and the separation structure of multiple fluorescent plates of the LED light source lamp group provided by the embodiment of the present invention;

[0061] Figure 8 3D schematic diagram of the connection structure of the stepper motor, gear, gear arm and lamp housing of the LED light source lamp group provided by the embodiment of the present invention;

[0062] Figure 9 3D schematic diagram of the connection structure of the stepper motor, gear arm and connection ring of the LED light source lamp group provided by the embodiment of the present invention.

[0063] Reference numerals:

[0064] 1. Chassis; 2. Support ring; 3. Adjusting disk; 4. Driving motor; 5. Support plate; 6. Lamp housing; 7. Mounting rod; 8. Mounting ring; 9. Internal thread ring; 10. Support frame; 11. Inner lining ring; 12. Lamp cover; 13. Reflector; 14. External thread ring; 15. Limiting plate; 16. Support rod; 17. Sealing plate; 18. Connection cover; 19. Compression spring; 20. Lamp holder; 21. LED lamp beads; 22. Conical elbow; 23. Water tank; 24. Circulation pump; 25. First hose; 26. Annular pipe; 27. Connecting pipe; 28. Second hose; 29. First stepper motor; 30. Transmission shaft; 31. Mounting bracket; 32. Card strip; 33. Fixed ring; 34. Fluorescent plate; 35. Card slot; 36. First magnet ring; 37. Second magnet ring; 38. Bracket; 39. Support shaft; 40. Gear arm; 41. Connection ring; 42. Connection plate; 43. Second stepper motor; 44. Gear. Detailed implementation manners

[0065] The embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention.

[0066] In the description of the embodiments of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "communication" can be a direct communication or an indirect communication through an intermediate medium. Among them, "fixing" means being connected to each other and the relative position relationship after connection remains unchanged. The orientation terms mentioned in the embodiments of the present invention, such as "inside", "outside", "top", "bottom", etc., are only with reference to the direction of the attached drawings. Therefore, the orientation terms used are for better and clearer explanation and understanding of the embodiments of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the embodiments of the present invention.

[0067] Embodiment 1: Refer to Figures 1-9 , a lamp group. First, the entire LED light source lamp group includes a chassis 1, and a plurality of mounting rods 7 are fixedly installed at equal intervals on the top of the chassis 1. The tops of these mounting rods 7 commonly fixedly support a support ring 2. Inside the support ring 2, an adjustment disk 3 is rotatably connected and installed. A drive motor 4 is fixedly installed at the center position of the top of the chassis 1, and the output shaft of the drive motor 4 is fixedly connected to the center position of the bottom of the adjustment disk 3. Therefore, the drive motor 4 can drive the adjustment disk 3 to rotate. The chassis 1, the support ring 2, and the adjustment disk 3 are all made of anodized aluminum alloy 6061-T6.

[0068] In order to achieve diverse display and adjustment of the light, a support mechanism is installed on the top of the adjustment disk 3. The support mechanism includes two support plates 5 symmetrically fixed on the top of the adjustment disk 3. These two support plates 5 are used for rotatably supporting the subsequent lamp group mechanism.

[0069] As Figures 3-6As shown in the figure, the lamp group mechanism is installed at the top of the adjacent sides of two support plates 5. The lamp group mechanism includes a lamp housing 6 (made of die-cast aluminum alloy ADC12, with a wall thickness of 2 - 4 mm, surface sandblasted, thermal conductivity ≥ 120 W / (m·K), temperature resistance range -40°C to 200°C). The lamp housing 6 is rotatably connected to the two support plates 5 respectively. Inside the lamp housing 6, a mounting ring 8 is fixedly installed. On one side of the mounting ring 8, an external thread ring 14 is fixed. An internal thread ring 9 is threadedly connected to the external thread ring 14. A support frame 10 is fixed on the internal thread ring 9. On one side of the support frame 10, a lamp cover 12 is fixed. Inside the lamp cover 12, a lamp holder 20 is fixed. A plurality of LED lamp beads 21 are fixedly installed on the lamp holder 20. To enhance the lighting effect, a reflector 13 is also fixedly installed inside the lamp housing 6. One side of the reflector 13 is fixedly connected to one side of the lamp cover 12. In addition, a plurality of heat dissipation fins are arranged at equal intervals on the lamp cover 12. The heat dissipation fins are integrally formed with the lamp cover 12, made of 6063 aluminum alloy, with a fin height of 12 mm, a spacing of 2.5 mm, and the number of fins ≥ 30, and the surface area is increased by 50% to dissipate heat from the LED lamp beads 21.

[0070] As Figure 7 shown, to achieve the lighting switching effect, a switching mechanism is installed on the top of the lamp housing 6. The switching mechanism includes a first stepping motor 29, and a transmission shaft 30 is fixedly installed on its output shaft. The transmission shaft 30 is rotatably connected to the top of the lamp housing 6, and a mounting frame 31 is fixed at one end of it. A plurality of mounting holes are arranged at equal intervals on the mounting frame 31, and a fluorescent plate 34 is installed in each mounting hole. By starting the first stepping motor 29, the transmission shaft 30 and the mounting frame 31 can be driven to rotate, thereby driving the plurality of fluorescent plates 34 to perform circular motion to achieve the display of different patterns or texts.

[0071] As Figure 7 shown, to facilitate the installation and disassembly of the fluorescent plate 34, a plurality of clamping bars 32 are fixedly arranged at equal intervals in the mounting holes, and a fixing ring 33 is fixed on the fluorescent plate 34. One side of the fixing ring 33 extends into the corresponding mounting hole, and a plurality of card slots 35 are arranged at equal intervals on it. The clamping bars 32 are clamped with the corresponding card slots 35. In addition, a second magnet ring 37 is fixedly sleeved on the fixing ring 33, and a plurality of first magnet rings 36 are fixedly arranged at equal intervals on one side of the mounting frame 31. The fixing ring 33 passes through the corresponding first magnet ring 36, and the first magnet ring 36 is attracted to the second magnet ring 37 (neodymium iron boron N42 grade magnet) to realize the braking and positioning of the fluorescent plate 34.

[0072] As Figures 1-2As shown in the figure, in order to cool down the lamp group mechanism, a cooling mechanism is installed on the top of the adjusting disk 3. The cooling mechanism includes a conical elbow 22 fixedly installed on one side of the lamp housing 6, and one end of the conical elbow is fixedly connected with a second hose 28. A water tank 23 is fixed on the top of the adjusting disk 3. The water tank 23 adopts a double-layer jacket structure. The inner layer is a stainless steel 304 liquid storage cavity, and the outer layer is coated with a copper heat conduction plate (thickness 2 mm). A semiconductor refrigeration sheet (TEC1-12706, refrigeration power 60 W) is integrated on the copper plate. The hot end of the refrigeration sheet is connected to an aluminum heat dissipation module (fin height 15 mm, total area 0.8 m 2 ²), and is equipped with a double ball bearing fan (DC12V, air volume 60 CFM); the cold end of the refrigeration sheet is directly in contact with the inner wall of the water tank 23, and the refrigeration power is dynamically adjusted through a PID temperature control module (accuracy ±0.5 °C). The bottom end of the second hose 28 extends into the water tank 23. In addition, a circulation pump 24 is fixed on one side of the top of the adjusting disk 3. Its suction end extends into the water tank 23, and the output end is fixedly connected with a first hose 25. An annular pipe 26 is sleeved on the lamp housing 6. A plurality of connecting pipes 27 are fixedly arranged at equal intervals on the inner wall of the annular pipe 26. The annular pipe 26 and the connecting pipes 27 are made of copper. The bottom end of the connecting pipe 27 extends into the lamp housing 6 and is located between the reflector 13 and the mounting ring 8. One end of the first hose 25 is fixedly communicated with the annular pipe 26. By starting the circulation pump 24, the coolant in the water tank 23 can be pumped out, transported to the annular pipe 26 through the first hose 25, and then transported to the lamp housing 6 through a plurality of connecting pipes 27 to cool down the lamp cover 12 and a plurality of heat dissipation fins. During the continuous output process of the coolant, the sealing plate 17 will be pushed to move, so that the coolant can flow out from the mounting ring 8, and then flow back to the water tank 23 through the conical elbow 22 and the second hose 28, realizing the recycling of the coolant.

[0073] This application can be used in the technical field of projection lamps, and can also be used in other fields applicable to this application.

[0074] Example 2: Refer to Figures 8-9, on the basis of the first embodiment, an improvement is made: an LED light source lamp group, which is applied to the technical field of projection lamps. In order to realize the angle adjustment of the lamp group mechanism, a transmission component is connected to the side of the two support plates 5 close to each other. The transmission component includes a bracket 38, which is fixedly connected to the two support plates 5 respectively. A support shaft 39 is fixed in the bracket 38, and a gear arm 40 is rotatably sleeved on the support shaft 39. The top and bottom of the gear arm 40 extend above and below the bracket 38 respectively. A second stepping motor 43 is fixed on one side of the support plate 5 on one side, and a gear 44 is fixedly sleeved on its output shaft. The gear 44 meshes with the gear arm 40. A connecting plate 42 is rotatably connected to the top of one side of the gear arm 40, and a connecting ring 41 is connected to the lamp group mechanism. One side of the connecting plate 42 extends into the connecting ring 41 and is slidably connected to the inner wall of the connecting ring 41. By starting the second stepping motor 43, the gear 44 can be driven to rotate, and then the gear arm 40 can be driven to rotate, so as to drive the connecting plate 42 to perform an arc-shaped movement. Under the transmission cooperation of the connecting plate 42 and the connecting ring 41, the lamp group mechanism can be driven to adjust the angle, so as to realize that the light emitted by the lamp group mechanism is irradiated on a specified area.

[0075] In the mounting ring 8, a limiting plate 15 is also fixed, and a support rod 16 is fixed to one side of it. A sealing plate 17 is slidably sleeved through the support rod 16. The sealing plate 17 is provided with a fluororubber O-ring, and the sealing plate 17 is hermetically attached to one side of the mounting ring 8 (through the fluororubber O-ring). A connecting cover 18 is fixed to one side of the sealing plate 17, and one end of the support rod 16 extends into the connecting cover 18 and is slidably connected to the inner wall of the connecting cover 18. A compression spring 19 located in the connecting cover 18 is sleeved on the support rod 16, and its two ends are respectively fixedly connected to one side of the sealing plate 17 and one end of the support rod 16. When cooling the heat dissipation fins by means of water cooling, the mounting ring 8 can be blocked by the sealing plate 17 to form a relatively closed space in the area between the reflector 13. At this time, when the coolant is transported between the reflector 13 and the mounting ring 8, the coolant will stop flowing under the blocking action of the sealing plate 17, so that the coolant can fully absorb the heat existing on the heat dissipation fins, realizing better and more stable cooling and heat dissipation of the LED lamp beads 21.

[0076] The present invention provides a method for using a projection lamp, including the following steps:

[0077] S1. First, set this device at a predetermined position. Then, start the drive motor 4 to drive the adjustment disc 3 to rotate, adjusting the illumination direction of the lamp group mechanism so that the light emitted by the lamp group mechanism can shine on the corresponding wall or curtain. At the same time, after inserting the multiple fixing rings 33 into the corresponding mounting holes respectively, the clamping strips 32 can be clamped with the corresponding clamping grooves 35 at this time, and simultaneously the first magnet ring 36 can be attracted to the second magnet ring 37, thereby realizing the braking and positioning of the fixing ring 33, and thus realizing the installation of the fluorescent plate 34;

[0078] S2. After the orientation adjustment of the lamp group mechanism is completed, start the second stepping motor 43 to drive the gear 44 to rotate at this time. Under the meshing drive with the gear arm 40, the gear arm 40 can be driven to rotate, thereby driving the connecting plate 42 to perform an arc-shaped movement. At this time, under the transmission cooperation of the connecting plate 42 and the connecting ring 41, the lamp group mechanism can be driven to adjust the angle;

[0079] S3. After the adjustment of the lamp group mechanism is completed, the LED lamp beads 21 can be powered on to emit light at this time. The light passes through the output of the reflector 13, and then the light is output through the fluorescent plate 34 corresponding to the position of the lamp housing 6. And different patterns or characters can be pre-engraved on the fluorescent plate 34. Thus, under the transmission of light, the patterns or characters can be projected onto the projected wall or curtain, so as to display different patterns or characters;

[0080] S4. Start the first stepping motor 29 to drive the transmission shaft 30 to rotate at this time, which can drive the mounting bracket 31 to rotate. Therefore, after installing the multiple fluorescent plates 34 in the corresponding mounting holes, the multiple fluorescent plates 34 can move in a circular motion accordingly, so that the multiple fluorescent plates 34 can be moved to the position corresponding to the opening of the lamp housing 6, and thus different pictures or characters can be displayed;

[0081] S5. When it is necessary to replace the fluorescent plate 34, just pull out the corresponding fixing ring 33 to separate the first magnet ring 36 and the second magnet ring 37, and then the new fluorescent plate 34 can be easily taken out and replaced;

[0082] S6. During the operation of the LED lamp bead 21, the circulating pump 24 can be started to pump out the coolant in the water tank 23. Then, through the first hose 25, the coolant can be transported into the annular pipe 26. Next, through a plurality of connecting pipes 27, the coolant can be transported into the lamp housing 6, so as to inject the coolant into the lamp housing 6. The coolant is used to cool and dissipate heat from the lamp cover 12 and a plurality of heat dissipation fins. At this time, the mounting ring 8 is blocked by the sealing plate 17 to form a relatively closed space in the area between the reflector 13. When the coolant is transported between the reflector 13 and the mounting ring 8, the coolant will stop flowing under the blocking action of the sealing plate 17. In this way, the coolant can fully absorb the heat existing on the heat dissipation fins, so as to better and more stably cool and dissipate heat from the LED lamp bead 21. When the coolant needs to be replaced, the circulating pump 24 can be started again to inject coolant into the lamp housing 6. At this time, under the action of hydraulic pressure, the sealing plate 17 can move, so that the sealing plate 17 can be removed from the mounting ring 8. Therefore, the coolant can flow out of the mounting ring 8, and then through the tapered elbow 22 and the second hose 28, the coolant can flow back into the water tank 23, so as to recycle the coolant and realize continuous and stable heat dissipation of the lamp group mechanism.

[0083] However, as is well known to those skilled in the art, the working principles and wiring methods of the drive motor 4, the LED lamp bead 21, the circulating pump 24, the first stepping motor 29 and the second stepping motor 43 are common knowledge. They all belong to conventional means or well-known common sense, and will not be elaborated here. Those skilled in the art can make arbitrary selections according to their needs or convenience.

[0084] The attached drawings in the description of this application are only schematic. The sizes and shapes of the components shown are not actually limited, but only a schematic representation. In the actual implementation process, the components can be reasonably configured and adjusted according to specific requirements and actual situations.

[0085] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, and all should be covered by the protection scope of the present invention; without conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. An LED light source lamp assembly, characterized in that: include: A chassis (1) having a driving motor (4) fixedly mounted at the top center; A support ring (2) is fixed to the top of the chassis (1) via a plurality of mounting rods (7), the support ring (2) is rotatably connected to the adjustment disk (3), and the output shaft of the drive motor (4) is fixedly connected to the bottom of the adjustment disk (3); The support mechanism comprises two support plates (5) symmetrically fixed on the top of the adjustment disk (3), and a transmission component is arranged between the support plates (5); A lamp assembly mechanism comprises a lamp housing (6) rotatably connected to a support plate (5), LED lamp beads (21) arranged in the lamp housing (6), a reflector (13) and a detachable lampshade (12), wherein the outer wall of the lampshade (12) is provided with heat dissipation fins; The cooling mechanism comprises a water tank (23) arranged on the top of the adjusting plate (3) and a cooling liquid circulation pipeline connecting the water tank (23) and the lamp housing (6); The transmission assembly comprises a gear arm (40) and a second stepping motor (43); the gear arm (40) is transmission-connected to the lamp housing (6) via a connecting plate (42) and is used to adjust the projection angle of the lamp assembly mechanism; The cooling liquid circulation pipeline comprises an annular pipe (26) connected to a water tank (23); the annular pipe (26) injects cooling liquid into the lamp housing (6) through a plurality of connecting pipes (27) and realizes cooling liquid reflux through the conical bent pipe (22).

2. The LED light source lamp assembly according to claim 1, characterized in that: The transmission assembly also includes: A bracket (38) is fixedly arranged between the two support plates (5); A support shaft (39) horizontally penetrates the bracket (38), and a gear arm (40) is rotatably sleeved on the support shaft (39); A gear (44) is fixed to the output shaft of the second stepping motor (43) and meshes with the gear arm (40); The connecting ring (41) is fixedly arranged on the outside of the lamp housing (6); one end of the connecting plate (42) is hinged to the gear arm (40), and the other end is slidably inserted into the connecting ring (41).

3. The LED light source lamp assembly according to claim 1, characterized in that: The lamp assembly mechanism also includes: A mounting ring (8) is fixedly mounted in the lamp housing (6) and has an external threaded ring (14) on one side thereof; An internal thread ring (9) is threadably connected to the external thread ring (14), and the internal thread ring (9) fixes the lampshade (12) via a support frame (10); The limiting plate (15) is fixedly arranged in the mounting ring (8) and is slidably connected to the sealing plate (17) through the support rod (16). The sealing plate (17) can move under the action of the coolant pressure to form a coolant circulation channel.

4. The LED light source lamp assembly according to claim 1, characterized in that: The cooling mechanism also includes: A circulation pump (24) is fixedly mounted on the top of the regulating disk (3), with its input end connected to the bottom of the water tank (23) and its output end connected to the annular pipe (26) via a first hose (25); The second hose (28) connects the tapered elbow (22) and the top of the water tank (23) to form a cooling liquid return path.

5. The LED light source lamp assembly according to claim 3, characterized in that: A compression spring (19) is provided between the sealing plate (17) and the mounting ring (8). Under normal conditions, the sealing plate (17) closes the outlet of the mounting ring (8). When the coolant pressure exceeds a threshold value, the sealing plate (17) compresses the spring (19) to open the channel.

6. A projection lamp, characterized in that: The LED light source lamp assembly according to any one of claims 1 to 5, further comprising: A control module, electrically connected to the drive motor (4), the first stepper motor (29) and the second stepper motor (43), for regulating the illumination direction, angle and switching of the fluorescent panels; A power module, for supplying power to the LED lamp beads (21) and the motor; The switching mechanism comprises a first stepper motor (29) fixedly mounted on the top of a lamp housing (6), a mounting frame (31) driven by the first stepper motor (29), and a plurality of fluorescent panels (34) detachably mounted on the mounting frame (31).

7. The projection lamp according to claim 6, characterized in that: The switching mechanism also includes: Mounting holes are arranged on the mounting frame (31) at equal intervals, and a clamping strip (32) is provided on the inner wall of the mounting frame; A fixing ring (33) is fixedly mounted on the edge of the fluorescent plate (34), and the fixing ring (33) is provided with a clamping groove (35) that cooperates with the clamping strip (32); The first magnet ring (36) and the second magnet ring (37) are respectively embedded in the mounting frame (31) and the fixing ring (33) and are used for magnetic attraction positioning of the fluorescent plate (34).

8. The projection lamp according to claim 7, characterized in that: The water tank (23) is provided with a semiconductor refrigeration sheet, the cold end of which contacts the inner wall of the water tank, and the hot end is connected to a heat dissipation module, and the heat dissipation module includes fins and a fan.

9. A method for using the projection lamp according to claim 7, characterized in that: The following steps are involved: S1, driving the motor (4) to adjust the illumination direction and install the fluorescent plate: after placing the device at a predetermined position, start the driving motor (4) to drive the adjustment disk (3) to rotate, and adjust the illumination direction of the lamp group to the target wall / curtain; simultaneously insert the fixing ring (33) into the installation hole, and connect the clamping strip (32) with the clamping groove (35), cooperate with the magnetic attraction of the first magnet ring (36) and the second magnet ring (37), so as to realize the braking positioning installation of the fluorescent plate (34); S2. The second stepper motor (43) drives the light assembly to adjust the angle: after the direction adjustment is completed, the second stepper motor (43) is started to drive the gear (44) to rotate, and the gear arm (40) is meshed to drive the connecting plate (42) to move in an arc; in cooperation with the connecting ring (41), the light assembly mechanism is driven to complete precise angle adjustment; S3, LED lamp beads (21) powered on and fluorescent board projected: After the lamp group is adjusted, the LED lamp beads (21) are powered on to emit light, and the light is gathered by the reflector (13) and then projected through the fluorescent board (34) with pre-engraved patterns / texts, so as to realize the display of pictures and texts on the wall / curtain; S4, the first stepper motor (29) drives the fluorescent panel to switch: the first stepper motor (29) is started to drive the transmission shaft (30) to rotate, and the mounting frame (31) is driven to rotate; the installed fluorescent panel (34) moves in a circular motion accordingly, and is positioned at the opening of the lamp housing (6) to realize the image switching; S5, rapid replacement of the fluorescent plate (34): when replacing, pull out the fixing ring (33), separate the first magnet ring (36) and the second magnet ring (37), and then take out the old plate. Insert the new fluorescent plate (34) and perform the reverse operation to complete the replacement; S6. A circulating pump (24) drives a cooling system: During the operation of the LED, the circulating pump (24) draws coolant from the water tank (23) and injects the coolant into the lamp housing (6) through the first hose (25), the second hose (28), the annular tube (26), and the connecting tube (27); the sealing plate (17) moves under the action of hydraulic pressure to control the coolant to form a closed circulation loop between the reflector (13) and the mounting ring (8), and the coolant reflux circulation is realized through the conical bent tube (22), thereby achieving continuous and stable heat dissipation.

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