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CN-224201678-U - LED projecting lamp of changeable colour

CN224201678UCN 224201678 UCN224201678 UCN 224201678UCN-224201678-U

Abstract

The utility model discloses a color-changeable LED projection lamp, which relates to the technical field of projection lamps, and aims at solving the problems that the LED lamp can generate a large amount of heat, does not emit the heat generated by the LED lamp, causes damage to the LED lamp due to the accumulation of a large amount of heat and has low practicability, the utility model provides the following scheme, comprising a mounting structure, the mounting structure comprises a support frame, a mounting frame rotatably mounted on the outer wall of the top of the support frame through a connecting rivet, a lamp shade with through holes, two positioning columns respectively fixedly arranged on the inner walls of two sides of the lamp shade, and a light-transmitting plate embedded on the inner wall of one end of the lamp shade, wherein a light source is arranged in the lamp shade and comprises a mounting plate, a plurality of LED lamp beads, a fixing block and a PCB (printed circuit board) fixedly arranged on the outer wall of one side of the mounting plate through bolts, wherein the mounting frame is fixedly arranged on the outer wall of the top of the support frame, and the upper portion and the lower portion of the mounting frame are respectively provided with a positioning column fixedly arranged on the inner wall of two sides of the lamp shade. The LED bulb lamp can emit heat when the projection lamp runs, so that damage of the LED bulb lamp caused by aggregation of a large amount of heat is prevented, and the practicability is improved.

Inventors

  • Zhang Xianhuai

Assignees

  • 江门市大三元照明科技有限公司

Dates

Publication Date
20260505
Application Date
20250325

Claims (6)

  1. 1. The color-changeable LED projection lamp comprises a mounting structure (1), and is characterized in that the mounting structure (1) comprises a support frame (101), a mounting frame (102) rotatably mounted on the outer wall of the top of the support frame (101) through a connecting rivet, a lamp shade (103) with through holes on the outer walls of the upper part and the lower part, two positioning columns (105) respectively fixedly arranged on the inner walls of the two sides of the lamp shade (103) and a light-transmitting plate (106) embedded on the inner wall of one end of the lamp shade (103); A light source (2) is arranged in the lampshade (103), and the light source (2) comprises a mounting plate (201) connected to the inner wall of the lampshade (103) through bolts, a plurality of LED lamp beads (202) fixedly arranged on the outer wall of one side of the mounting plate (201), a fixed block (204) and a PCB (205) connected to the outer wall of one side of the fixed block (204) through bolts; An air guide mechanism (3) is arranged in the lampshade (103), and the air guide mechanism (3) comprises an air guide ring (301) fixedly arranged on the inner wall of the lampshade (103); The lamp shade (103) is internally provided with a heat dissipation mechanism (4), the heat dissipation mechanism (4) comprises a mounting ring (401) which is abutted against one side outer wall of the mounting plate (201), a plurality of heat dissipation plates (402) which are respectively fixedly arranged on one side outer wall of the mounting ring (401), a fixed ring (403) which is fixedly arranged on one end outer wall of the plurality of heat dissipation plates (402), a first heat conduction plate (404) which is fixedly arranged on the inner wall of the mounting ring (401), a second heat conduction plate (405) which is fixedly arranged on the inner wall of the mounting ring (401), a fixed plate (406) which is connected on the inner wall of the lamp shade (103) through bolts and a heat dissipation fan (407) which is connected on one side outer wall of the fixed plate (406) through bolts; One end of the lamp shade (103) is provided with an air outlet mechanism (5), and the air outlet mechanism (5) comprises a sealing cover (501) which is in threaded connection with the inner wall of the lamp shade (103), a mounting pipe (502) which is fixedly arranged on the inner wall of the sealing cover (501), an air guide cover (503) with a plurality of air outlets which is arranged on the outer wall, and a water retaining ring (504) which is fixedly arranged on the inner wall of the mounting pipe (502).
  2. 2. The color-changeable LED projection lamp of claim 1, wherein the connecting shafts (104) are fixedly arranged on the outer walls of the two sides of the lampshade (103), and the two connecting shafts (104) respectively penetrate through and are rotatably arranged on the outer walls of the two sides of the mounting frame (102).
  3. 3. The color-changeable LED projection lamp of claim 1, wherein a plurality of ventilation openings are formed on the outer wall of the mounting plate (201), four connecting rods (203) are connected on one side outer wall of the mounting plate (201) through bolts, and the fixing blocks (204) are respectively connected on one end outer wall of the four connecting rods (203) through bolts.
  4. 4. The color-changeable LED spotlight according to claim 1, wherein an annular groove is formed in the outer wall of the air guide ring (301), the position of the annular groove is matched with the position of the two through holes, a mounting groove is formed in the inner wall of the bottom of the air guide ring (301), a dust screen (302) is embedded in the mounting groove, a plurality of air inlets are formed in the mounting groove, two clamping grooves are formed in the outer wall of one side of the air guide ring (301), two positioning columns (105) are respectively in sliding fit with the two clamping grooves, and one ends of the two positioning columns (105) are respectively abutted to the inner wall of one side of the air guide ring (301).
  5. 5. A variable color LED spotlight according to claim 3, wherein the first heat-conducting plates (404) are respectively slidably sleeved on the outer walls of the four connecting rods (203), the first heat-conducting plates (404) are abutted on one side of the outer wall of the mounting plate (201), the second heat-conducting plates (405) are respectively slidably sleeved on the outer walls of the four connecting rods (203), and the second heat-conducting plates (405) are abutted on one side of the outer wall of the fixing block (204).
  6. 6. The color-changeable LED floodlight according to claim 1, wherein a water outlet is formed in the outer wall of the bottom of the mounting tube (502) close to the water blocking ring (504), and the air guiding cover (503) is embedded in the inner wall of the mounting tube (502).

Description

LED projecting lamp of changeable colour Technical Field The utility model relates to the technical field of projection lamps, in particular to a color-changeable LED projection lamp. Background The projector is a lamp with the illumination intensity higher than the surrounding environment on the appointed illuminated surface, which is also called a spotlight, and generally, the projector can aim at any direction and has a structure which is not influenced by climate conditions, the color changing principle of the LED color changing lamp is that the luminous effect of different colors is realized by adjusting the current, voltage and color combination of the LED lamp, and the basic principle of the color changing lamp is that when three primary color LEDs respectively light two LEDs, the LED can emit yellow, purple and cyan, and when three LEDs of red, green and blue are simultaneously light, the LED color changing lamp can generate white light. According to the search, chinese patent (application number is 201820533980.5) discloses a color-variable LED floodlight which comprises a lamp holder and a lamp body connected with the lamp holder, wherein the lamp body comprises a horn-shaped shell, a transparent cover is arranged at the top of the shell, a plurality of LED lamps, a reflecting cover and a radiating plate are fixed in the shell, the LED lamps at least comprise two colors, the LED lamps face against the convex surface of the reflecting cover, gaps are reserved between the LED lamps and the reflecting cover, the LED lamps are welded on a circuit board, the circuit board is obliquely arranged along the shell, the circuit board is adhered on the radiating plate through heat-conducting glue and is fixed through screws, a control device is arranged at the bottom of the shell, the LED lamps are respectively and electrically connected with the control device, and a decoder and an audio player are also sequentially connected with the control device. Disclosure of utility model The utility model provides a color-changeable LED projection lamp, which solves the problems that the LED projection lamp provided by a comparison document can generate a large amount of heat when in use, does not emit the heat generated by the operation of the LED lamp, causes the damage of the LED lamp due to the accumulation of a large amount of heat, and has low practicability. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a changeable LED projecting lamp, includes mounting structure, mounting structure includes the support frame, rotates the mounting bracket of installing on support frame top outer wall through the connecting rivet, all opens the lamp shade that has the through-hole on upper portion and the lower part outer wall, two locating column that set firmly respectively on the lamp shade both sides inner wall and inlay the light-passing board on lamp shade one end inner wall, be equipped with the light source in the lamp shade, the light source includes mounting panel, a plurality of that set firmly on the mounting panel on one side outer wall through bolted connection, fixed block and the PCB board on one side outer wall through bolted connection on the fixed block, be equipped with wind-guiding mechanism in the lamp shade, wind-guiding mechanism includes the wind-guiding ring that sets firmly on the lamp shade inner wall, be equipped with cooling mechanism in the lamp shade, cooling mechanism includes the collar, a plurality of that set firmly respectively on the collar outer wall, set firmly on the collar inner wall first heat-conducting board, set firmly on the collar inner wall second heat-conducting board, set firmly on the collar inner wall through bolted connection on the lamp shade inner wall and set firmly on one side outer wall and set firmly in the air-guiding cover on one side of the inner wall through bolted connection on the inner wall of the fan, seal cover has set firmly on the inner wall of wind-guiding cover and seal cover. Preferably, the connecting shafts are fixedly arranged on the outer walls of the two sides of the lampshade, and the two connecting shafts respectively penetrate through and rotate to be installed on the outer walls of the two sides of the mounting frame. Preferably, a plurality of ventilation openings are formed in the outer wall of the mounting plate, four connecting rods are connected to the outer wall of one side of the mounting plate through bolts, and the fixing blocks are connected to the outer wall of one end of each of the four connecting rods through bolts respectively. Preferably, the outer wall of the air guide ring is provided with an annular groove, the position of the annular groove is matched with the positions of the two through holes, the inner wall of the bottom of the air guide ring is provided with a mounting groove, a dustproof net is embedded in the mounting groove, a plurality