TWM472792U - Reflective cup type lamp body - Google Patents

Description

Reflective cup type lamp body

The present invention relates to a lamp body (for example, model AR111), and more particularly to a reflector cup type lamp body for high-power light-emitting diodes to produce high luminous efficiency.

Conventionally, a lamp body (for example, AR111) has advantages of high brightness, good color rendering, white light color, condensed light projection, soft light, and low color temperature.

However, high power consumption and large amounts of waste heat are major drawbacks of the lamp body. In order to solve the problem of high power consumption, the conventional technology uses a light-emitting diode as a light source. Although the doubts about the high power consumption are solved, the shortcomings such as the reduction of the luminous efficacy of the light-emitting diode and the shrinkage of the life are still present.

Therefore, the present invention proposes a reflective cup type lamp body to solve the lack of the prior art.

One object of the present invention is to provide a reflector cup type lamp body comprising a lens unit, a fixing unit, a housing and the electrical connection unit, and the structure of the lens unit is such that a light emitting diode is produced. Light (e.g., producing a point source) can be reflected to the inner wall of the housing and uniformly emitted from the inner wall (e.g., forming a surface light source).

Another object of the present invention is to coat the casing according to the reflector cup type lamp body described above. A layer of transparent radiation heat-dissipating paint to quickly dissipate heat generated by the light-emitting diode.

A further object of the present invention is to provide the light-emitting diode with high luminous efficiency by the above-described excellent heat dissipation effect according to the above-described reflector cup type lamp body.

Another object of the present invention is to provide a low-energy consumption and a high lifetime according to the reflector cup type lamp body described above, since the housing is arranged according to the specifications of the AR 111, so that the light source of the light-emitting diode is used instead of the conventional halogen lamp. High brightness and other effects.

Another object of the present invention is to rapidly inject the light-emitting diode by injecting a thermal conductive insulating material in a gap space between the bottom of the casing and the electrical connection unit according to the above-mentioned reflector cup type lamp body. Thermal energy is used for heat dissipation.

According to the reflective cup type lamp body described above, the lens unit, the fixing unit, the housing and the electrical connection can be combined by snapping in the case of reducing the use of screws or parts using screws. unit.

In order to achieve the above object or other objects, the present invention provides a reflector cup type lamp body for supplying a light emitting diode and a driving circuit, including a lens unit, a fixing unit, a housing and an electrical connection unit. The lens unit has a first receiving portion and a reflecting portion, and the reflecting portion has an angle with the first receiving portion. The fixing unit has a second receiving portion and a first base, and the lens unit is stacked on the fixing unit, and the first receiving portion and the second receiving portion form an accommodating space for accommodating the light emitting Polar body. The housing has a body, a third receiving portion, an emitting portion and a bottom portion, the emitting portion is disposed at one end of the body, the bottom portion is disposed at the other end of the body, and the third receiving portion is disposed in the housing. The inner wall of the body is coated with a reflective layer, and the fixing unit houses the third receiving portion to fix the fixing unit in the housing. The electrical connection unit engages the bottom.

Compared with the prior art, the reflective cup-shaped lamp body of the present invention can emit light of the light-emitting diode evenly as a surface light source by a lens unit, and can be further radiated by a transparent radiation of a casing. And/or the thermal conductive glue in the gap space between the bottom and the electrical connection unit quickly dissipates heat generated by the light-emitting diode. Therefore, the present invention allows the light-emitting diode to have excellent luminous efficiency.

2‧‧‧Lighting diode

4‧‧‧Drive circuit

10‧‧‧Reflective cup type lamp body

12‧‧‧ lens unit

122‧‧‧First Housing Department

124‧‧‧Reflection Department

14‧‧‧Fixed unit

142‧‧‧Second Accommodation

144‧‧‧First base

16‧‧‧Shell

162‧‧‧ inner wall

164‧‧‧ Ontology

166‧‧‧ Third Housing Department

168‧‧‧Outlet Department

1610‧‧‧ bottom

18‧‧‧Electrical connection unit

Θ‧‧‧ angle

LB‧‧‧Light

V‧‧‧ voltage

Fig. 1 is a schematic view showing the structure of a reflector cup type lamp body according to an embodiment of the present invention.

Fig. 2-6 is an exploded perspective view showing the respective units of the reflector cup type lamp body of Fig. 1.

In order to fully understand the purpose, features and effects of this creation, the following specific examples are used, and with the accompanying drawings, a detailed explanation of the creation is given, as follows: Referring to Figure 1, this is a creation A schematic structural view of a reflector cup type lamp body of an embodiment. In the first embodiment, the reflector cup type lamp body 10 is supplied for a light-emitting diode 2 and a driving circuit 4, and the driving circuit 4 generates a voltage V to drive the light-emitting diode 2 to generate a light LB. In the present embodiment, the light-emitting diode 2 is exemplified by a high-power COB-type light-emitting diode. For example, the high-power range is at least between 8 watts and 13 watts. It should be noted that, for the sake of example, the power of the LED 2 is not limited thereto.

The reflector cup type lamp body 10 includes a lens unit 12, a fixing unit 14, a housing 16, and an electrical connection unit 18.

The lens unit 12 has a first receiving portion 122 and a reflecting portion 124. The edge of the reflecting portion 124 has an angle θ with the first receiving portion 122 to allow the light emitting diode 2 to be The light source LB is reflected to the inner wall 162 of the casing 16 according to the slope of the reflecting portion 124. It should be noted that the reflecting portion 124 is disposed around the lens unit 12 such that the light LB generated by the LED 2 is evenly disposed on the inner wall 162 of the body 16 . The central portion of the reflecting portion 124 is made of a material having high light transmittance and low light transmittance. In the present embodiment, the central portion of the reflectance portion 124 is exemplified by a material having low light transmittance, such that light generated by the light-emitting diode 2 does not transmit the light LB through the central portion. The lens unit 12 can be collectively referred to as shown in Fig. 2.

The fixing unit 14 has a second receiving portion 142 and a first base 144. For example, the fixing unit 14 is made of at least one of a metal, a non-metal and a thermally conductive plastic. In the present embodiment, the fixing unit 14 is described by taking a T-shape as an example. The second receiving portion 142 is formed in the Y-axis direction of the T-shape, and the first base 144 is formed in the X-axis direction of the T-shape. It should be noted that the first base 144 can be a solid structure or a hollow structure. For example, the first base 144 is a hollow structure for providing a wire for electrically connecting the LED 2 disposed in the second receiving portion and the driving circuit 4 disposed on the electrical connecting unit 18 . The lens unit 12 is stacked on the fixing unit 14 to form an accommodating space for the first accommodating portion 122 and the second accommodating portion 142 for accommodating the illuminating diode 2 . The fixing unit 14 can be referred to together with FIG.

The housing 16 has a body 164, a third receiving portion 166, an exit portion 168 and a bottom portion 1610. The material of the casing 16 is at least one of metal, non-metal and heat conductive plastic. The exit portion 168 is disposed at one end of the body 164, and the bottom portion 1610 is disposed at the other end of the body 164. The inner wall 162 of the body 164 is coated with a reflective layer (not shown), and the fixing unit 14 houses the third receiving portion 166 to fix the fixing unit 14 in the housing 16. In addition, the body 164 is described by taking the specification of the AR 111 as an example. In FIG. 1, the body 164 is shaped like a cone such that the exit portion of the body is larger than the bottom portion. The housing 16 can be referred to together with FIG.

The electrical connection unit 18 is coupled to the bottom portion 1610. The electrical connection unit 18 is configured to receive the drive circuit 4 such that the voltage V generated by the drive circuit 4 is output to the fixed unit 14 via the bottom portion 1610. The electrical connection unit 18 can be referred to together with FIG. It should be noted that, in this embodiment, the driving circuit 4 is received in the electrical connection unit 18. In other embodiments, the driving circuit 4 can be disposed in any part of the reflective cup type lamp body 10. As shown in Figure 6.

In another embodiment, the reflector cup body 10 further comprises a thermally conductive insulating colloid (not shown). The thermally conductive insulating colloid is injected into the gap space between the bottom portion 1610 and the electrical connection unit 18. The thermally conductive insulating colloid can exclude thermal energy generated by the light emitting diode 2.

In another embodiment, the reflector cup type lamp body 10 further comprises a transparent radiation heat dissipating paint (not shown). The transparent radiation heat-dissipating paint is applied to a part of the surface or the entire surface of the casing 16 to exclude thermal energy generated by the light-emitting diode 2.

In another embodiment, the reflector cup type lamp body 10 further includes a shielding portion (not shown), and the shielding portion is disposed on the lens unit 12. For example, the shielding portion is disposed at a central portion of the lens unit 12 such that the light ray LB cannot be directly emitted from the reflecting portion 124.

The present invention has been disclosed in the above preferred embodiments, and it should be understood by those skilled in the art that the present invention is only intended to depict the present invention and not to limit the scope of the present invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of this creation is subject to the definition of the scope of patent application.

2‧‧‧Lighting diode

4‧‧‧Drive circuit

10‧‧‧Reflective cup type lamp body

12‧‧‧ lens unit

14‧‧‧Fixed unit

16‧‧‧Shell

162‧‧‧ inner wall

18‧‧‧Electrical connection unit

LB‧‧‧Light

V‧‧‧ voltage

Claims (9)

A reflector cup type lamp body is provided for a light emitting diode and a driving circuit, comprising: a lens unit having a first receiving portion and a reflecting portion, the reflecting portion having an angle with the first receiving portion; The second accommodating portion and the first pedestal are stacked on the fixing unit, and the first accommodating portion and the second accommodating portion form an accommodating space for accommodating the illuminating diode a housing having a body, a third receiving portion, an emitting portion and a bottom portion, the emitting portion being disposed at one end of the body, the bottom portion being disposed at the other end of the body, the third receiving portion being disposed in the housing The inner wall of the body is coated with a reflective layer, and the fixing unit houses the third receiving portion to fix the fixing unit in the housing; and the electrical connecting unit engages the bottom. The reflector cup type lamp body according to claim 1, wherein the reflection portion is disposed around the lens unit to cause the light generated by the light emitting diode to be turned to an inner wall of the body. The reflector cup type lamp body according to claim 1, wherein the fixing unit and the material of the housing are each of at least one of a metal, a non-metal and a heat conductive plastic. The reflector cup type lamp body of claim 1, wherein the system conforms to the specification of AR111. The reflector cup type lamp body of claim 4, wherein the body has a shape of a cone such that the exit portion of the body is larger than the bottom portion. The reflector cup type lamp body according to claim 1, further comprising a thermal conductive insulating colloid which is injected into the slit space between the bottom portion and the electrical connection unit. The reflector cup type lamp body of claim 1, wherein the housing is coated with a transparent radiation heat dissipating paint. The reflector cup type lamp body according to claim 1, further comprising a shielding portion, wherein the shielding portion is disposed on the lens unit. The reflector cup type lamp body according to claim 1, wherein the electrical connection unit is configured to receive the driving circuit, so that a voltage generated by the driving circuit is output to the fixing unit via the bottom portion.