CN201093433Y - Structure of LED lamps - Google Patents

Abstract

The utility model discloses a LED lamp structure relates to lamps and lanterns, for solving the not good problem design of current LED lamps and lanterns radiating effect. The method comprises the following steps: the lamp body is provided with a light projecting surface and a back surface, and the light projecting surface is provided with a containing groove; the electric control component is arranged at a preset part of the lamp body; the multi-face lamp base plate is provided with a front face and a back face and is assembled in the accommodating groove of the lamp main body, the multi-face lamp base plate is in a step-shaped zigzag shape, at least two step faces with step differences are formed on the front face of the multi-face lamp base plate, the faces of different step faces have angle difference changes, and the LEDs are configured on all the step faces; the U-shaped heat conduction pipe is assembled on the back of the multi-surface lamp base plate, the heated section of the U-shaped heat conduction pipe is abutted against the back of the multi-surface lamp base plate, and the two convex-extending-shaped heat dissipation sections of the U-shaped heat conduction pipe penetrate out of the back of the lamp main body; and the external heat radiating seat is assembled outside the back surface of the lamp main body and is combined with the U-shaped heat conducting pipe. The utility model discloses can be used to the occasion of various illuminations.

Description

Structure of LED lamps

technical field

The utility model relates to a lamp, in particular to a structure of an LED lamp.

Background technique

For the existing LED lamps that are relatively related to the present utility model, please refer to the new patent case of "Assembly Structure of LED Street Lamp and Heat Dissipation Module" in Taiwan Patent Certificate No. M303333; The LED is arranged in the airtight space formed between the partition board and the lampshade, and the heat dissipation fins are arranged between the partition board and the rear shell. The heated end of the heat pipe is against the LED, and the heat dissipation end of the heat pipe Then pass through the partition plate and combine with the cooling fins; this kind of existing structure still has the following problems in the actual use experience:

Although the heated end of the heat pipe directly abuts against the LED, the contact between the two is obviously only on one side of the heat pipe, so the contact surface is in a narrow linear shape, resulting in insufficient heat dissipation effect and low heat dissipation efficiency. Poor.

In addition, the heat dissipation fins are located inside the main body of the lamp, and the accumulated heat can only be discharged to the outside through a limited number of vent holes in the rear shell. In this way, more of the heat accumulated by the heat dissipation fins will be released Because it is covered by the back shell, there are problems of slow dissipation and poor heat dissipation efficiency.

therefore. In view of the defects existing in the structural design of the existing LED base plate mentioned above, how to develop an innovative structure that can be more ideal and practical is really a goal and direction for the relevant industry to think about and make a breakthrough.

Utility model content

The main purpose of the utility model is to provide an LED lamp structure to solve the problem of poor heat dissipation effect of the existing LED lamps.

In order to achieve the above purpose, the technical scheme adopted by the utility model to solve the LED lamp structure is as follows:

The structure of the LED lamp includes: a lamp body, the lamp body is a three-dimensional structure, has a light projection surface and a back surface, wherein a receiving groove is provided on the light projection surface; an electric control component is assembled at a predetermined position of the lamp body; Lamp base plate, the multi-faced lamp base plate is a plate-shaped body with a front and a back side, and is assembled in the accommodating groove of the main body of the lamp. There are at least two different steps, and the faces of different steps have different angles, LEDs are arranged on each step; U-shaped heat pipes are assembled on the back of the multi-faced lamp holder plate, and the The heating section leans against the back of the multi-faced lamp holder plate, and the two protruding heat dissipation sections of the U-shaped heat pipe penetrate the back of the lamp body; the external heat sink is set outside the back of the lamp body. The heat sink is combined with the aforementioned U-shaped heat pipe.

Compared with the prior art, the utility model can achieve the following effects: relying on the structural design of the multi-face lamp holder board for the LEDs to be assembled together, so that the heat generated by each LED can be dissipated by the multi-face lamp The seat plate absorbs and diffuses and conducts evenly, so each LED can obtain a large-area heat dissipation effect, thereby achieving the practical advancement of improving heat dissipation efficiency. Furthermore, relying on the design that the external heat sink is assembled outside the main body of the lamp, the best heat dissipation effect can be obtained.

The utility model adopts the multi-face lamp base plate with the step surface structure design of both the step difference and the face angle difference, so that each LED group can directly achieve the light projection angle difference change type after being set on the multi-face lamp base plate. state, and the step surface type can be integrally formed in the process of manufacturing the multi-face lamp base plate, so the manufacture is extremely simple and fast, which is conducive to mass production, and the LED illuminance configured on the step surface with a large inclination angle can be greater than that of the inclination angle. The structural design of the LED illuminance arranged on the step surface with a small angle makes the illuminance of the overall LED light projection surface more uniform, and achieves the practical progress of improving the lighting quality.

Description of drawings

Fig. 1 is the combined perspective view of the LED lamp of the present invention;

Fig. 2 is an exploded perspective view of the LED lamp of the present invention;

Fig. 3 is a combined cross-sectional view of the LED lamp of the present invention;

Fig. 4 is a three-dimensional view of the multi-face lamp holder plate of the present invention;

Fig. 5 is a cross-sectional view of the multi-face lamp holder plate of the present invention;

Fig. 6 is a plane side view of the multi-face lamp holder plate of the present invention;

Fig. 7 is a schematic diagram of the usage state of the LED lamp of the present invention.

Detailed ways

Referring to Fig. 1 to Fig. 3, the preferred embodiment of the structure of the LED lamp of the present invention, the embodiment is only used for illustration, and the patent application is not limited by this structure.

The LED lamp A includes:

A lamp body 10, the lamp body 10 is in a three-dimensional shell shape, and has a light projection surface 11 and a back surface 12, and the light projection surface 11 is provided with an accommodating groove 13;

An electric control component 20 is assembled at a predetermined position of the lamp main body 10 (as in this embodiment, it is located at the back side 12 of the lamp main body 10, a side position), and the electric control component includes a voltage regulator required for the operation of the LED lamp A , circuit boards, circuit lines and other related components;

A multi-faced lamp base plate 30 is a plate-shaped body made of a heat-conducting material (such as copper) and has a front side 31 and a back side 32. In the accommodating groove 13, the multi-face lamp holder plate 30 is set in a stepped zigzag pattern, and at least two stepped surfaces B1, B2-B6 with stepped differences are formed on the front surface 31, and the faces of different stepped surfaces have a The angle difference changes, and the LED 33 is arranged on each step surface B1, B2-B6;

U-shaped heat pipes 40 are arranged in groups at intervals on the back 32 of the multi-faced lamp holder plate 30, so that the heated section 41 of the U-shaped heat pipe 40 abuts against the back 32 of the multi-faced lamp holder plate 30, U-shaped The two protruding heat dissipation sections 42 of the heat pipe 40 pass through the back surface 12 of the main body 10 of the lamp;

An external heat sink 50 is assembled outside the back surface 12 of the lamp body 10 , and the external heat sink 50 is combined with the heat dissipation section 42 of the aforementioned U-shaped heat pipe 40 .

Wherein, as shown in Fig. 2 and Fig. 3, an auxiliary heat conduction plate 60 made of a heat-conducting material (such as copper) can be assembled between the external heat sink 50 and the back 12 of the lamp body 10; An embedded concave surface 51 can be provided on the back side for the auxiliary heat conduction plate 60 to be embedded in; by virtue of the setting of the auxiliary heat conduction plate 60, the heat dissipation section 42 of each U-shaped heat pipe 40 can also obtain a plate-shaped uniform temperature conduction effect , so that the efficiency of heat conduction into the external heat sink 50 is further improved.

Wherein, as shown in Fig. 2 and Fig. 3, a water-stop lining ring 70 (which can be a rubber ring) can be assembled between the external heat sink 50 and the back side 12 of the lamp body 10; the back side 12 of the lamp body 10 (or an external heat sink) can be provided with a ring groove 120 for the water-stop ring 70 to be embedded in, so as to obtain a relatively stable assembly state; the setting of the water-stop ring 70 is used to prevent external water Air infiltrates into the interior of the lamp body 10 .

Wherein, the back 32 of the multi-face lamp holder plate 30 can form a concave edge portion 33 at the junction of the different step surfaces B1 and B2; the U-shaped heat pipe 40 can be assembled and fitted in the aforementioned concave edge portion 33, Further, the U-shaped heat pipe 40 can be assembled in a relatively stable state.

The specific implementation form of the change of the facing angle difference of the different step surfaces is shown in Figure 5. The step surface B6 of the front side 31 of the multi-facing lamp holder plate 30 closest to the first end (that is, the right end in the figure) is set to be horizontal. In the angle state, the step surfaces B5, B4, B3, B2, B1 approaching the second end of the front 31 of the multi-face lamp holder plate 30 (ie, the left end in the figure) gradually increase the inclination angles; And wherein, the LED illuminance configured on the stepped surface with a larger inclination angle is greater than the LED illuminance configured on the stepped surface with a small inclination angle. For this part, as shown in FIG. 2, the stepped surface B1, B2 (that is, farther away from the object to be irradiated) is equipped with LED33B with larger illuminance, and the steps A4 and A5 with smaller inclination angles (that is, closer to the object to be irradiated) are equipped with LED33C with lower illuminance, and the figure shows The step surface B6 at the horizontal angle is equipped with LED33 with smaller illuminance.

Wherein, as shown in FIG. 6 , the two sides of the single-step surface B1 can be formed with sloped parts 34, and the design of the sloped part 34 can make the LED33B arranged in this position tilt outwards to achieve further expansion. Increases the effect of the area cast by the line.

As shown in Figure 7, the multi-face lamp base plate 30 of the present utility model is designed by the above-mentioned structural type, and when its overall LED 33, 33B, 33C is lit and projected light on the object 80 to be irradiated, it will be able to The step surface B1~B6 type design with step difference and orientation angle difference achieves the effect of expanding the light projection area; in addition, the above-mentioned step surface B1 and B2 with a larger inclination angle are equipped with a design with a larger illuminance LED 33B, The main purpose is to enhance the illuminance of the LED 33B with a longer projection distance, so that the illuminance of the overall LED light projection surface (in terms of irradiating the same plane target) can be more uniform, and improve the problem of decreasing luminosity around the light projection surface of general lamps .

The utility model has the following beneficial effects:

1. Set up the structural design of the multi-faced lamp holder board for LEDs to be assembled together, so that the heat generated by each LED can be absorbed by the multi-faced lamp holder board and diffused on average, so that each LED can Obtain a relatively large area of heat dissipation effect, and then achieve the practical progress of greatly improving the heat dissipation efficiency.

2. The design of the external heat sink is set outside the main body of the lamp. Since the outside of the external heat sink is directly exposed to the air outside the LED lamp, the accumulated heat can be quickly dissipated and cooled by the wind in the surrounding environment. , so as to obtain the best cooling effect.

3. The multi-face lamp base plate has a stepped surface structure design with both step difference and face angle difference, so that each LED group can directly achieve the change pattern of light projection angle difference after being set on the multi-face lamp base plate. The above-mentioned stepped surface can be integrally formed in the process of manufacturing the multi-faced lamp base plate, so the manufacturing is extremely simple and fast, which is conducive to mass production, and the illuminance of the LEDs arranged on the stepped surface with a large inclination angle can be greater than the inclination angle The structural design of the LED illuminance configured on the smaller step surface makes the illuminance of the overall LED light projection surface more uniform, so as to achieve the practical progress of improving the lighting quality.

4. An auxiliary heat conduction plate is set between the external heat sink and the back of the main body of the lamp, and the heat dissipation section of each U-shaped heat pipe can also obtain the effect of plate-shaped connection and uniform temperature conduction, so that heat can be conducted into the external heat sink. The efficiency of the heat sink can be further improved.

What is disclosed in the above-mentioned embodiments is only used to specifically illustrate the utility model, and although the text is described through specific terms, it should not limit the patent scope of the utility model; The spirit and principles of the utility model are then changed and modified to achieve equivalent purposes, and such changes and modifications should be covered in the scope of protection defined by the claims.

Claims (8)

1. A LED lamp structure, characterized in that: comprising: The main body of the lamp. The main body of the lamp is a three-dimensional structure with a light-projecting surface and a back surface, wherein the light-projecting surface is provided with a receiving groove; The electric control component is assembled at the predetermined position of the main body of the lamp; Multi-faced lamp base plate, the multi-faced lamp base plate is a plate-shaped body, has a front and back, and is assembled in the accommodating groove of the main body of the lamp. There are at least two stepped surfaces with step differences, and the orientations of different stepped surfaces have angular differences, and LEDs are arranged on each stepped surface; The U-shaped heat pipe is assembled on the back of the multi-faced lamp holder plate, the heating section of the U-shaped heat pipe is against the back of the multi-faced lamp holder plate, and the two protruding heat dissipation sections of the U-shaped heat pipe pass through. protrude from the back of the luminaire body; The external heat sink is assembled on the back outside of the main body of the lamp, and the external heat sink is combined with the aforementioned U-shaped heat pipe. 2 . The LED lamp structure according to claim 1 , wherein a concave edge portion for fitting the heating section of the heat pipe is formed on the back of the multi-face lamp holder plate at the junction of the different step surfaces. 3 . 3. The LED lamp structure according to claim 1, wherein the difference in the facing angles of the different steps of the multi-faced lamp holder plate is the step surface closest to the first end on the front of the multi-faced lamp holder board It is in a horizontal angle state, and the step surfaces that are gradually approaching the second end of the front of the multi-facing lamp holder plate are in the setting pattern of increasing the inclination angle in sequence; and wherein, the illuminance of LEDs configured on the step surface with a larger inclination angle is greater than that of the LED with a smaller inclination angle The LED illuminance configured on the small step surface. 4. The LED lamp structure according to claim 1, wherein slopes are formed on both sides of the single step surface of the multi-face lamp holder plate. 5 . The LED lamp structure according to claim 1 , wherein an auxiliary heat conduction plate made of heat conduction material is arranged between the external heat sink and the back of the lamp main body. 5 . 6 . The LED lamp structure according to claim 5 , wherein a recessed surface for embedding the auxiliary heat conducting plate is provided on the back of the external heat sink. 7 . 7. The LED lamp structure according to claim 1, wherein a water-stop ring is formed between the external heat sink and the back of the lamp body. 8 . The LED lamp structure according to claim 7 , wherein a ring groove is provided on the back of the external heat sink or the main body of the lamp for the water-stop lining ring to be embedded therein. 8 .

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