CN214147499U - LED light projector - Google Patents
LED light projector Download PDFInfo
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- CN214147499U CN214147499U CN202023137307.6U CN202023137307U CN214147499U CN 214147499 U CN214147499 U CN 214147499U CN 202023137307 U CN202023137307 U CN 202023137307U CN 214147499 U CN214147499 U CN 214147499U
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- heat dissipation
- shell
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Abstract
The utility model discloses a LED projecting lamp, including lamp shade subassembly A, banks B, circuit box D, its characterized in that: the LED lamp further comprises a heat dissipation shell C, the circuit box D is installed at the heat dissipation end part of the heat dissipation shell C, at least one heat dissipation fin 17 is arranged at the heat dissipation end part, the heat dissipation shell C is arranged between the lampshade assembly A and the circuit box D, a lamp group cavity is arranged at one end, far away from the heat dissipation end part, of the heat dissipation shell C, and the lamp group B is arranged in the lamp group cavity of the heat dissipation shell C; the lampshade assembly A is fixed on the lamp group cavity of the heat dissipation shell C. Has the advantages that: the through grooves are arranged between the sheet bodies of the radiating fins, the radiating fins and the heating light source are relatively close to each other, so that the heat can be quickly radiated, and the through grooves of the radiating fins form radiating channels which are favorable for wind direction flowing and increase the radiating efficiency.
Description
Technical Field
The utility model relates to a LED projecting lamp field, specifically speaking is a LED projecting lamp.
Background
The LED projection lamp converts electric energy into visible light, which has a problem of conversion rate, the electric energy cannot be converted into light energy by 100 percent, and redundant electric energy is converted into heat energy according to the law of energy conservation. If the heat dissipation structure of the LED projection lamp is unreasonable in design, the heat energy can not be quickly removed, and the service life of the LED projection lamp is shortened due to the fact that the packaging volume of the LED projection lamp is small and a large amount of heat energy is accumulated in the LED projection lamp. The LED projection lamp mainly dissipates heat, and if the temperature of a light source is too high, the temperature of the subsequent whole lamp is too high. This necessarily results in flickering or damage to the LED projector. No matter what light source is used for illumination, the problem of heat dissipation cannot be solved. Heat dissipation issues for lighting fixtures have been of great concern since the operating temperature of the light source is closely related to its operating life.
The LED projection lamp converts electric energy into light energy, and meanwhile, a part of electric energy is converted into heat energy. The heat dissipation research of the LED projector mainly focuses on the encapsulation of LEDs and the heat dissipation structure of lamps. As a lamp with a wide application range, an LED projector is often used alone in a scene. The heat source of the LED projection lamp mainly comes from two parts: a light source and a power source. Contrast patent CN201920544628.6 adopts the stack shell wall heat dissipation, needs heat-conduction to the heat radiation fins heat dissipation of stack shell wall between the binding face of light source PCB and radiator, can cause whole lamp body to wholly generate heat, and the radiating effect is not excellent, can't satisfy the heat dissipation demand.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a LED projecting lamp. The through grooves are formed between the sheet bodies of the radiating fins, the radiating fins and the heating light source are relatively close to each other, heat can be quickly radiated, the through grooves of the radiating fins form radiating channels which are beneficial to wind direction flowing, the mounting position of the radiating shell is arranged in the middle of the lamp body on the premise that the size of the lamp body is not reduced, and heat generated by a power supply and a lamp source can be effectively released from the radiating channels.
In order to achieve the above purpose, the utility model adopts the following specific technical scheme:
the utility model provides a LED projecting lamp, includes lamp shade subassembly, banks, circuit box, its key lies in: the circuit box is arranged at the heat dissipation end part of the heat dissipation shell, at least one heat dissipation fin is arranged at the heat dissipation end part, the heat dissipation shell is arranged between the lampshade assembly and the circuit box, a lamp group cavity is arranged at one end of the heat dissipation shell, which is far away from the heat dissipation end part, and the lamp group is arranged in the lamp group cavity of the heat dissipation shell;
the lampshade assembly is fixed on the lamp group cavity of the heat dissipation shell.
By adopting the scheme, the heat dissipation shell is arranged in the middle of the lamp body, heat generated by the lamp body is conducted to the heat dissipation fins through the heat dissipation shell, and the heat dissipation ventilation channel is reserved between the heat dissipation fins, so that the heat dissipation efficiency of the lamp body is greatly improved.
Still further described, the lamp shade assembly includes a glass lamp cover, a lamp shade;
the lamp cover is characterized in that an installation step is annularly arranged on the inner edge of the end face of the cavity of the heat dissipation shell, a waterproof sealing ring is fixed on the installation step, an installation groove is formed in the inner side of the waterproof sealing ring, the lamp cover is fixed in the installation groove, and the lamp cover is installed on the opening face of the end of the cavity of the heat dissipation shell.
Adopt above-mentioned scheme, set up waterproof sealing washer on the installation step and guarantee the waterproof nature of lamp body in the outdoor use sight.
Further, the lamp set comprises an aluminum substrate, a lens frame and a lens frame fixing cover which are sequentially arranged, wherein the aluminum substrate is provided with N lamp beads, the lens frame is provided with N lens grooves, and each lens groove is used for covering one lens; the lens is in an opening bowl shape, and a lens convex opening is arranged at the edge of the opening; a lamp bead through hole is formed in the bottom of each lens groove; the N lamp bead through holes correspond to the positions of the N lamp beads one by one, and the lamp beads penetrate through the lamp bead through holes and extend into the lens groove;
the lens holder fixing cover is provided with N lens holder fixing cover grooves corresponding to the lens grooves, and the caliber of the groove bottom notch of the lens holder fixing cover groove is correspondingly matched with the caliber of the groove top notch of the lens groove.
The lens groove and the lens frame fixing cover groove are gradually increased from the groove bottom to the groove top in caliber;
n pairs of buckles are arranged on the outwards protruding edge of the groove bottom of the lens holder fixing cover groove;
the lens frame is provided with a buckle concave platform matched with the buckle, the buckle concave platform is matched and fixed with the buckle, a gap is also reserved for mounting the lens convex opening to fix the lens, and the opening of the lens faces the lamp bead;
the lens holder fixing cover is fixed on the lens holder.
By adopting the scheme, the N lamp beads correspond to the N lens grooves one by one, so that the lamp beads are coincidently installed in the lens grooves and covered by the lens, and the stability of the lamp group in the lamp body is ensured by adopting the lens frame, the lens frame fixing cover and the lens which are fixed in a multiple way. Wherein N is a positive integer.
Further, a support is disposed on an outer wall of the heat dissipation housing, and the support is fixed to the heat dissipation housing by a rotating screw.
A notch is arranged at the same position of the bottom of each radiating fin, a raised line is arranged on the circuit box, the raised line corresponds to the notch, and the circuit box is arranged on the radiating fins through the notches and the raised lines in a matching way;
the radiating fins are arranged at equal intervals to form a ventilation structure;
the radiating fins and the radiating shell are integrally formed;
at least one line pipeline is arranged among the radiating fins and penetrates through the lower plate surface of the resistor cavity in the radiating shell to be communicated with the lamp group cavity.
The circuit box comprises a circuit box shell, a circuit box cover plate, a circuit cavity sealing ring and a circuit cavity shell;
the circuit box shell is fixed with the heat dissipation shell;
the connection surface of the circuit box shell and the heat dissipation shell is provided with at least one circuit output hole which is communicated with a circuit pipeline of the heat dissipation shell; the raised lines are arranged on the connecting surface of the circuit box shell and the heat dissipation shell;
the side wall of the circuit box shell is provided with at least one circuit input hole;
a circuit cavity is also arranged in the circuit box shell and is surrounded by the circuit cavity shell in the circuit box shell;
and a circuit cavity sealing ring is arranged between the circuit box cover plate and a circuit cavity shell in the circuit box shell.
And reinforcing ribs are arranged between every two adjacent radiating fins.
By adopting the scheme, the radiating fins of the radiating shell are distributed and provided with the radiating air duct, so that the wind direction flowing is facilitated, and the radiating efficiency is increased. A waterproof sealing circuit chamber is also arranged in the circuit box to ensure the waterproof sealing performance.
The utility model has the advantages that: the radiating fins are arranged in the middle of the lamp body, the radiating fins are relatively close to the heating light source, the heat conduction distance is short, the radiating efficiency can be properly increased, radiating channels are arranged among the radiating fins, the flowing of wind direction is facilitated, and the radiating speed is high. And a middle heat dissipation structure is adopted, so that the heat dissipation efficiency is improved, and materials are saved.
Drawings
Fig. 1 is a schematic diagram of the explosion effect structure of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic structural diagram of the present invention;
fig. 5 is a schematic view of the bottom structure of the heat dissipation casing of the present invention;
fig. 6 is a schematic view of the bottom structure of the lens holder fixing cover of the present invention;
fig. 7 is a schematic structural diagram of the lens holder of the present invention.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As can be seen from fig. 1, an LED projection lamp includes a lampshade assembly a, a lamp group B, and a circuit box D, and is characterized in that: the LED lamp further comprises a heat dissipation shell C, the circuit box D is installed at the heat dissipation end part of the heat dissipation shell C, 16 heat dissipation fins 17 are arranged at the heat dissipation end part, the heat dissipation shell C is arranged between the lampshade assembly A and the circuit box D, a lamp group cavity is arranged at one end, far away from the heat dissipation end part, of the heat dissipation shell C, and the lamp group B is arranged in the lamp group cavity of the heat dissipation shell C;
the lampshade assembly A is fixed on the lamp group cavity of the heat dissipation shell C.
As can be seen in fig. 1 and 3, the lamp housing assembly a includes a glass lamp cover 1 and a lamp housing 2;
the inner edge of the end face of the cavity of the heat dissipation shell C is annularly provided with an installation step, a waterproof sealing ring 3 is fixed on the installation step, an installation groove is formed in the inner side of the waterproof sealing ring 3, the lamp cover 1 is fixed in the installation groove, and the lampshade 2 is installed on the opening face of the end of the cavity of the heat dissipation shell C.
As can be seen from fig. 2 and 7, the lamp group B includes an aluminum substrate, a lens holder 5 and a lens holder fixing cover 4, which are sequentially disposed, 48 beads 6 are disposed on the aluminum substrate, 48 lens grooves 8 are disposed on the lens holder 5, and each lens groove 8 is used for covering a lens; the lens is in an opening bowl shape, and a lens convex opening is arranged at the edge of the opening; a lamp bead through hole 8b is formed in the bottom of each lens groove 8; the 48 lamp bead through holes 8b correspond to the positions of the 48 lamp beads 6 one by one, and the lamp beads penetrate through the lamp bead through holes 8b and extend into the lens grooves 8;
the lens frame fixing cover 4 is provided with 48 lens frame fixing cover grooves 7 corresponding to the lens grooves 8, and the caliber of the groove bottom notch of each lens frame fixing cover groove 7 is correspondingly matched with the caliber of the groove top notch of each lens groove 8.
With reference to fig. 3, 4, 5 and 6, the aperture of each of the lens groove 8 and the lens holder fixing cover groove 7 increases gradually from the groove bottom to the groove top;
48 pairs of buckles 7a are arranged on the outwards protruding edge of the groove bottom of the lens holder fixing cover groove 7;
the lens frame 5 is provided with a buckle concave station 8a matched with the buckle 7a, the buckle concave station 8a is matched and fixed with the buckle 7a, a gap is also reserved for mounting the lens convex opening to fix the lens, and the opening of the lens faces the lamp bead 6;
the lens holder fixing cover 4 is fixed to the lens holder 5.
Referring to the drawings, a bracket 9 is disposed on an outer wall of the heat dissipation housing C, and the bracket 9 is fixed to the heat dissipation housing C by a rotary screw.
A notch 10 is arranged at the same position at the bottom of each heat dissipation fin 17, a raised strip is arranged on the circuit box D, the raised strip corresponds to the notch 10, and the circuit box D is installed on the heat dissipation fins 17 through the notches 10 and the raised strips in a matching manner;
the radiating fins 17 are arranged at equal intervals to form a ventilation structure;
the heat radiating fins 17 and the heat radiating shell C are integrally formed;
two circuit pipelines 11 are arranged between the radiating fins 17, and the circuit pipelines 11 penetrate through the lower plate surface of the resistance cavity in the radiating shell C to be communicated with the lamp group cavity.
The circuit box D comprises a circuit box shell 12, a circuit box cover plate 13, a circuit cavity sealing ring 15 and a circuit cavity shell 13 a; the circuit box shell 12 is fixed with the heat dissipation shell C;
the connection surface of the circuit box shell 12 and the heat dissipation shell C is provided with two line output holes 16, and the line output holes 16 are communicated with the line pipeline 11 of the heat dissipation shell; the convex strips are arranged on the connecting surface of the circuit box shell 12 and the heat dissipation shell C;
two line input holes 18 are formed in the side wall of the circuit box shell 12;
a circuit chamber 19 is further arranged in the circuit box shell 12, and the circuit chamber 19 is enclosed by a circuit chamber shell 13a in the circuit box shell 12;
a circuit chamber sealing ring 15 is arranged between the circuit box cover plate 13 and a circuit chamber shell 13a in the circuit box shell 12.
Reinforcing ribs 20 are further arranged between every two adjacent radiating fins 17.
The utility model discloses a theory of operation: the lamp body has the advantages that the radiating fins are arranged in the middle of the lamp body, the configuration of the lamp body is changed, the ventilation channels are reserved among the radiating fins, the radiating efficiency is improved, the convection of wind in the ventilation channels is accelerated, the lamp body releases heat to the outside, meanwhile, the improvement still keeps sealing and waterproofness, and the circuit cavity sealing ring are arranged in the circuit box to ensure the waterproofness. The reinforcing ribs arranged between the radiating fins increase the firmness of the lamp body.
Claims (8)
1. The utility model provides a LED projecting lamp, includes lamp shade subassembly (A), banks (B), circuit box (D), its characterized in that: the LED lamp is characterized by further comprising a heat dissipation shell (C), the circuit box (D) is installed at the heat dissipation end portion of the heat dissipation shell (C), at least one heat dissipation fin (17) is arranged at the heat dissipation end portion, the heat dissipation shell (C) is arranged between the lampshade assembly (A) and the circuit box (D), a lamp group cavity is arranged at one end, far away from the heat dissipation end portion, of the heat dissipation shell (C), and the lamp group (B) is arranged in the lamp group cavity of the heat dissipation shell (C);
the lampshade assembly (A) is fixed on the lamp group cavity of the heat dissipation shell (C).
2. The LED light projector according to claim 1, characterized in that: the lampshade assembly (A) comprises a glass lamp cover (1) and a lampshade (2);
the lamp cover is characterized in that an installation step is annularly arranged on the inner edge of the end face of the cavity of the heat dissipation shell (C), a waterproof sealing ring (3) is fixed on the installation step, an installation groove is formed in the inner side of the waterproof sealing ring (3), the lamp cover (1) is fixed in the installation groove, and the lamp cover (2) is installed on the opening face of the end of the cavity of the heat dissipation shell (C).
3. The LED light projector according to claim 1, characterized in that:
the lamp group (B) comprises an aluminum substrate, a lens frame (5) and a lens frame fixing cover (4) which are sequentially arranged, N lamp beads (6) are arranged on the aluminum substrate, N lens grooves (8) are arranged on the lens frame (5), and each lens groove (8) is used for covering one lens; the lens is in an opening bowl shape, and a lens convex opening is arranged at the edge of the opening; a lamp bead through hole (8b) is formed in the bottom of each lens groove (8); the N lamp bead through holes (8b) correspond to the positions of the N lamp beads (6) one by one, and the lamp beads penetrate through the lamp bead through holes (8b) and extend into the lens groove (8);
n lens frame fixing cover grooves (7) corresponding to the lens grooves (8) are formed in the lens frame fixing cover (4), and the caliber of the groove bottom notch of each lens frame fixing cover groove (7) is correspondingly matched with that of the groove top notch of each lens groove (8).
4. The LED light projector according to claim 3, characterized in that: the lens groove (8) and the lens holder fixing cover groove (7) are gradually increased from the groove bottom to the groove top;
n pairs of buckles (7a) are arranged on the outwards protruding edge of the groove bottom of the lens holder fixing cover groove (7);
the lens frame (5) is provided with a buckle concave table (8a) matched with the buckle (7a), the buckle concave table (8a) is matched and fixed with the buckle (7a) and is provided with a gap, the gap is used for installing the lens convex opening to fix the lens, and the opening of the lens faces the lamp bead (6);
the lens holder fixing cover (4) is fixed on the lens holder (5).
5. The LED light projector according to claim 1, characterized in that: the outer wall of the heat dissipation shell (C) is provided with a support (9), and the support (9) is fixed on the heat dissipation shell (C) through a rotary screw.
6. The LED light projector according to claim 1, characterized in that: a notch (10) is formed in the same position of the bottom of each radiating fin (17), a raised line is arranged on the circuit box (D), the raised line corresponds to the notch (10), and the circuit box (D) is installed on the radiating fins (17) through the notches (10) and the raised lines in a matching mode;
the radiating fins (17) are arranged at equal intervals to form a ventilation structure;
the radiating fins (17) and the radiating shell (C) are integrally formed;
at least one line pipeline (11) is arranged among the radiating fins (17), and the line pipeline (11) penetrates through the lower plate surface of the resistor cavity in the radiating shell (C) to be communicated with the lamp group cavity.
7. The LED floodlight according to claim 6, characterized in that: the circuit box (D) comprises a circuit box shell (12), a circuit box cover plate (13), a circuit chamber sealing ring (15) and a circuit chamber shell (13 a);
the circuit box shell (12) is fixed with the heat dissipation shell (C);
the connection surface of the circuit box shell (12) and the heat dissipation shell (C) is provided with at least one circuit output hole (16), and the circuit output hole (16) is communicated with a circuit pipeline (11) of the heat dissipation shell; the convex strips are arranged on the connecting surface of the circuit box shell (12) and the heat dissipation shell (C);
the side wall of the circuit box shell (12) is provided with at least one circuit input hole (18);
a circuit chamber (19) is further arranged in the circuit box shell (12), and the circuit chamber (19) is enclosed by a circuit chamber shell (13a) in the circuit box shell (12);
and a circuit chamber sealing ring (15) is arranged between the circuit box cover plate (13) and a circuit chamber shell (13a) in the circuit box shell (12).
8. The LED floodlight according to claim 4, characterized in that: reinforcing ribs (20) are also arranged between every two adjacent radiating fins (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137307.6U CN214147499U (en) | 2020-12-21 | 2020-12-21 | LED light projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137307.6U CN214147499U (en) | 2020-12-21 | 2020-12-21 | LED light projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214147499U true CN214147499U (en) | 2021-09-07 |
Family
ID=77529249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023137307.6U Active CN214147499U (en) | 2020-12-21 | 2020-12-21 | LED light projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214147499U (en) |
-
2020
- 2020-12-21 CN CN202023137307.6U patent/CN214147499U/en active Active
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