CN221122028U - Novel projection lamp - Google Patents

Abstract

The utility model discloses a novel projection lamp, which comprises a shell, wherein brackets are arranged on two sides of the shell, a novel aluminum substrate is arranged in the shell and is fixedly connected with the shell, the novel aluminum substrate is one of two independent aluminum substrates with the same structure, which are produced by the opposite-plug design of a rectangular aluminum substrate, a circuit element and a plurality of lamp beads are arranged on the novel aluminum substrate, and the circuit element is electrically connected with the lamp beads.

Description

Novel projection lamp

Technical Field

The utility model relates to a novel projection lamp.

Background

The conventional method of the prior projector is that an aluminum substrate is fully paved on the whole surface, for example, the patent application number is CN202223504322.9, the name is a projector, and the projector comprises a base surface and a frame body which is arranged around the base surface; the aluminum substrate is provided with a circuit module and a plurality of lamp sources, is connected to the frame body, and the bottom surface of the aluminum substrate is abutted against the base surface; the light-transmitting plate is covered on the aluminum substrate; the aluminum substrate is provided with a connecting structure at or near the middle of the base surface, and the bottom surface of the aluminum substrate is tightly attached to the base surface by the connecting structure.

Because the plate area of the aluminum substrate is large, a plurality of lamp sources and circuit modules are uniformly arranged on the aluminum substrate, and because the specifications of the lamp sources and the circuit templates are limited, the existing part of the aluminum substrate is not utilized, and the aluminum substrate is high in cost.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide a novel projection lamp, which adopts a novel aluminum substrate with opposite-plug design, can save 30% of aluminum substrates, improve the utilization rate of the aluminum substrates, reduce the production cost and improve the heat dissipation.

In order to achieve the above purpose, the utility model provides a novel projection lamp, which comprises a shell, wherein brackets are arranged on two sides of the shell, a novel aluminum substrate is arranged in the shell and is fixedly connected with the shell, the novel aluminum substrate is formed by splitting a rectangular aluminum substrate, the rectangular aluminum substrate in an undetached state is formed by mutually staggering and inserting bulges and recesses of two novel aluminum substrates which are oppositely arranged, and a circuit element and a plurality of lamp beads are arranged on the novel aluminum substrate and are electrically connected with the lamp beads.

Further, the novel aluminum substrate is in a Chinese character 'shan' shape, the width and the length of the first protruding part of the novel aluminum substrate are both larger than those of the middle protruding part and the second protruding part, and the distances among the first protruding part, the middle protruding part and the second protruding part are the same.

Further, the first protruding portion is L-shaped, circuit elements are distributed on the first protruding portion and distributed along the outer edge of the first protruding portion in an L-shaped mode, and a plurality of lamp beads are arranged on the first protruding portion, the middle protruding portion and the second protruding portion and distributed at equal intervals along the length of the protruding portion.

Furthermore, the novel aluminum substrate and the shell are sealed and bonded through heat-conducting glue.

Further, be equipped with spacing subassembly and be connected with novel aluminium base board through spacing subassembly on the novel aluminium base board of casing correspondence, spacing subassembly includes a plurality of shrinkage pool that set up on the casing, shrinkage pool internal rotation is connected with the butt piece, and when the butt piece rotated 90, the butt piece was supported the outward flange of novel aluminium base board on the casing and was restricted the removal of novel aluminium base board.

Further, the shell back is fixedly provided with the fin, the fin adopts integrated into one piece's sheetmetal to form, and the fin includes a plurality of parallel arrangement's rectangle arch, has the bellied PMKD of rectangle that is on a parallel with between the rectangle arch, and PMKD is fixed to be set up on the shell bottom lateral wall, form the air flue between the bellied inboard of rectangle and the shell bottom lateral wall.

The beneficial effects are that:

1. two independent novel aluminum substrates with the same structure are produced through opposite insertion design on the rectangular aluminum substrate, about 30% of aluminum substrates are saved compared with the traditional rectangular aluminum substrates, the utilization rate of the aluminum substrates is improved, and the production cost is reduced.

2. The novel aluminum substrate is the mountain-shaped structure, including first bellying, middle bellying and second bellying, circuit element is L shape along first bellying outward flange and distributes, and a plurality of lamp pearls distribute on first bellying, middle bellying and second bellying and along the even interval distribution of bellying length, guarantee that the lamp pearl distributes even light, and then guarantees the holistic harmony of projecting lamp, novel aluminum substrate has better thermal diffusivity.

Drawings

FIG. 1 is a schematic perspective view of a projector;

FIG. 2 is a top view of a rectangular aluminum substrate of an intercalated design;

FIG. 3 is a top view of the novel aluminum substrate;

FIG. 4 is a schematic diagram showing the bonding of a housing to an aluminum substrate according to the first embodiment;

FIG. 5 is a schematic view showing the connection of the housing and the aluminum substrate according to the second embodiment;

Fig. 6 is a side cross-sectional view of fig. 5.

Reference numerals: 1. a housing; 2. a bracket; 3. novel aluminum substrates; 31. a first boss; 32. a middle boss; 33. a second protruding portion; 4. a circuit element; 5. a lamp bead; 6. a heat-conducting adhesive; 7. a limit component; 71. concave holes; 72. an abutment block; 8. a heat sink.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-4, a first embodiment of the present utility model provides a novel light projector, including a housing 1, brackets 2 are installed at two sides of the housing 1, a novel aluminum substrate 3 is disposed in the housing 1, and the novel aluminum substrate 3 is sealed and bonded by a heat conducting adhesive 6, two independent novel aluminum substrates 3 with the same structure are produced by opposite insertion design on a rectangular aluminum substrate, the rectangular aluminum substrate fully utilized by the opposite insertion design of the novel aluminum substrate 3 improves the utilization ratio of the rectangular aluminum substrate, compared with the conventional aluminum substrate, the aluminum substrate designed by opposite insertion in the production process can save 30%, the novel aluminum substrate 3 is preferably in a mountain shape, and includes a first protruding portion 31, a middle protruding portion 32 and a second protruding portion 33, the width and the length of the first protruding portion 31 are both greater than those of the middle protruding portion 32 and the second protruding portion 33, because the first protruding portion 31 is provided with a circuit element 4, a wire passing through the wire passing hole is welded with a live wire and a null wire of the circuit element 4, the first protruding portion 31 is L-shaped, and the circuit element 4 is L-shaped along the outer edge of the first protruding portion 31. The first protruding portion 31, the middle protruding portion 32 and the second protruding portion 33 are the same in interval, and are provided with a plurality of lamp beads 5, and the lamp beads 5 are electrically connected with the circuit element 4. The distance between the convex parts is the same, so that the lamp beads 5 can be further ensured to be uniformly illuminated, and dark light is avoided; and further the overall heat dissipation of the projector.

Referring to fig. 1, the back of the casing 1 is fixedly provided with a cooling fin 8, the cooling fin 8 is formed by integrally formed metal sheets, the cooling fin 8 comprises a plurality of rectangular bulges arranged in parallel, a fixing bottom plate parallel to the rectangular bulges is arranged between the rectangular bulges, the fixing bottom plate is fixedly arranged on the outer side wall of the bottom of the casing 1, a ventilation channel is formed between the inner side of the rectangular bulges and the outer side wall of the bottom of the casing 1, the heat dissipation performance is further improved, and the service life of the projection lamp is prolonged.

Referring to fig. 5 and 6, the second embodiment is basically the same as the first embodiment described above, and differs only in that: for convenient novel aluminium base board 3 can dismantle with casing 1 and be connected, still in order to lead to droing after the long-time use of heat-conducting glue 6, consequently be provided with spacing subassembly 7, spacing subassembly 7 includes and is equipped with a plurality of shrinkage pool 71 on the casing 1, all is provided with a plurality of draw-in grooves on the shrinkage pool 71 lateral wall, and the shrinkage pool 71 internal rotation is connected with butt piece 72, and butt piece 72 middle part is equipped with the cavity, the cavity lateral wall corresponds the draw-in groove and is equipped with flexible fixture block, is connected with the threaded rod on the cavity, and the threaded rod rotates and can drive the threaded rod and wholly moves down and then promote flexible fixture block to move and realize the joint towards the draw-in groove, and then realizes the locking of butt piece 72. The butt piece 72 is L shape, can restrict the butt to novel aluminium base board 3 edge, when installing novel aluminium base board 3, butt piece 72 is horizontal relation and can place the location to novel aluminium base board 3 through the position of butt piece 72, avoid the skew of novel aluminium base board 3 in casing 1 position, after novel aluminium base board 3 position is placed, rotate the butt piece 7290 of both sides limit about, butt piece 72 lateral wall can support novel aluminium base board 3 lateral wall, butt piece 72 up end can support novel aluminium base board 3 upper end, thereby avoid the removal of novel aluminium base board 3, after supporting, through rotating the threaded rod with flexible fixture block and shrinkage pool 71 joint, realize the locking of butt piece 72 angle, avoid butt piece 72 long-time use after result in the insecurity of the fixed rotation angle of butt piece 72 self.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (6)

1. Novel projecting lamp, including casing (1), support (2), its characterized in that are installed to casing (1) both sides: be equipped with novel aluminium base board (3) and novel aluminium base board (3) in casing (1) and be connected with casing (1), novel aluminium base board (3) are formed by the aluminium base board split of rectangle, and the rectangle aluminium base board under the undetachment state is by the protruding sunken mutual crisscross butt plug of two novel aluminium base boards (3) that set up relatively, be equipped with circuit component (4) and a plurality of lamp pearl (5) and circuit component (4) and a plurality of lamp pearl (5) electricity on novel aluminium base board (3) and be connected.

2. The novel light projector of claim 1, wherein: the novel aluminum substrate (3) is in a mountain shape, the width and the length of a first protruding part (31) of the novel aluminum substrate (3) are larger than those of a middle protruding part (32) and a second protruding part (33), and the distances among the first protruding part (31), the middle protruding part (32) and the second protruding part (33) are the same.

3. The novel light projector of claim 2, wherein: the first protruding portion (31) is L-shaped, the circuit elements (4) are distributed on the first protruding portion (31) and the circuit elements (4) are distributed in an L-shaped mode along the outer edge of the first protruding portion (31), and the plurality of lamp beads (5) are arranged on the first protruding portion (31), the middle protruding portion (32) and the second protruding portion (33) and are distributed at equal intervals along the length of the protruding portion.

4. A novel light projector as claimed in claim 3, characterized in that: the novel aluminum substrate (3) is sealed and bonded with the shell (1) through the heat-conducting glue (6).

5. A novel light projector as claimed in claim 3, characterized in that: the novel aluminum substrate comprises a shell (1), and is characterized in that a limiting component (7) is arranged on the novel aluminum substrate (3) and connected with the novel aluminum substrate (3) through the limiting component (7), the limiting component (7) comprises a plurality of concave holes (71) formed in the shell (1), the concave holes (71) are rotationally connected with a butt block (72), and when the butt block (72) rotates by 90 degrees, the butt block (72) abuts against the outer edge of the novel aluminum substrate (3) on the shell (1) and limits movement of the novel aluminum substrate (3).

6. A novel light projector as claimed in claim 4 or 5, wherein: the utility model discloses a radiator is characterized by comprising a shell (1), wherein radiating fins (8) are fixedly arranged on the back of the shell (1), the radiating fins (8) are formed by integrally formed metal sheets, each radiating fin (8) comprises a plurality of rectangular bulges arranged in parallel, a fixing bottom plate parallel to the rectangular bulges is arranged between the rectangular bulges, the fixing bottom plate is fixedly arranged on the outer side wall of the bottom of the shell (1), and an air duct is formed between the inner side of each rectangular bulge and the outer side wall of the bottom of the shell (1).