TWM582565U - LED (light emitting diode) lamp - Google Patents

Abstract

The present invention includes at least: a lamp holder capable of external power supply, and a lamp holder fixed to the lamp a lampshade above the seat and a circuit board mounted in the lamp holder and the lampshade. The utility model is characterized in that: the bottom end of the circuit board is electrically connected to the lamp holder, and the top end defines a first part for the upper light source module to be arranged; the circuit board is connected with the width of the first part In the second part, the second part is provided with a slanting light source module; the circuit board is connected with a third portion having a downwardly tapered width at the bottom end of the second portion, and the third portion is provided with an oblique lower light source Modules; these light source modules are composed of a plurality of LED arrays and are suspended inside the lampshade, so that they can be compatible with the specifications of the UNECE Automotive Regulations.

Description

LED bulb

The new model provides an LED bulb that is compatible with the United Nations Economic Commission for Europe's automotive regulations.

The prior art is as disclosed in the invention patent case of "Full Angle LED Bulb Structure" of China No. 102131605, or as shown in the new patent case of "Light Emitting Diode Lighting Fixture" of China No. 096213437.

However, these prior art techniques are not compatible with the current specifications of the United Nations Economic Commission for Europe's automotive regulations for light-emitting diode (LED) alternative light source PY21W/LED, which are at least incompatible with the following two specifications:

First, its array LED is not compatible with 9mm × 7mm × 5mm layout specifications.

Second, the illumination angle of the array LED is not up to 300°.

In view of this, the creator has developed this new type through continuous conceiving and research.

The main contents of this new model include at least: an external power supply lamp a lamp cover fixed to the lamp holder, and a circuit board mounted in the lamp holder and the lamp cover; the bottom end of the circuit board is electrically connected to the lamp holder, and the top end defines a first portion, the first portion The outer surface array is provided with a plurality of LEDs for forming an upper illumination light source module; the circuit board has a second portion with a width diverging downwardly on both sides of the first portion, the width being the left side and the right side of the circuit board The second portion of the outer surface array is provided with a plurality of LEDs for forming an oblique upper light source module; the circuit board is connected to the bottom portion of the second portion to have a third portion whose width is tapered downward, and the third portion is controlled. A set height is maintained between the bottom end and the bottom end of the circuit board, and the third outer surface array is provided with a plurality of LEDs for forming the oblique lower light source module.

It can be seen that the relative arrangement of the above-mentioned upper illumination source module, oblique upper light source module and oblique lower light source module can be easily compatible with the requirements of the EU ECE automobile regulations on array LED layout requirements and illumination radiation angle requirements. Therefore, the new path has the progress that can be utilized by the industry.

10‧‧‧ lamp holder

11‧‧ ‧ room

12‧‧‧Connectors

20‧‧‧Drive circuit

21‧‧‧electrode feet

30‧‧‧ boards

300‧‧‧匣室

301‧‧‧正 hexagonal hole area

31‧‧‧ first part

32‧‧‧Part 2

33‧‧‧ third part

W‧‧‧Width

H‧‧‧Set height

41‧‧‧Uplight source module

410‧‧‧LED

42‧‧‧ oblique upper light source module

420‧‧‧LED

43‧‧‧ oblique lower light source module

430‧‧‧LED

44‧‧‧ first size

45‧‧‧ second size

46‧‧‧ third size

50‧‧‧thermal unit

51‧‧‧ Thermal pad

52‧‧‧thermal aluminum extrusion

60A, 60B‧‧ ‧ heat sink

61‧‧‧ base

62‧‧‧ ring flange

63‧‧‧First District

64‧‧‧Second District

65‧‧‧Hot exchange block

70‧‧‧shade

71‧‧‧ Missing slot

Figure 1 is a schematic exploded view of the present invention.

Figure 2 is a schematic view of the combined appearance of the present invention.

Figure 3 is a schematic view of a longitudinal partial combination of the present invention.

Figure 4 is a schematic cross-sectional view of the transverse partial combination of the present invention.

Figure 5 is a schematic diagram of the implementation of the new array LED layout specifications.

Figure 6 is a schematic diagram of the implementation of the illumination angle of the novel illumination.

Figure 7 is a schematic diagram of the heat dissipation implementation of the present invention.

Referring to Figures 1 to 7, the present invention includes at least a lamp holder 10 defining a cavity 11 having an opening upwardly, and a connector 12 having an external power supply at the bottom of the lamp holder 10, the connector 12 being It conforms to the international 1157, 3157, T20 or other standardized specifications, so that it can be assembled in the lighting device; a driving circuit 20 is mounted in the chamber 11 and has an electrode leg 21 electrically connected to the connector 12, The driving circuit 20 is mainly for controlling the current input from the connector 12 to provide the circuit board 30 to be described later; a circuit board 30 for forming the diverting chamber 300 with the opening facing downward, and further defining the front and rear directions of the chamber 300 in a through configuration. The chamber 300 has an open bottom end and a closed top end. The middle end of the circuit board 30 is electrically connected to the joint 12 of the socket 10 through the coupling of the driving circuit 20, and the top end of the circuit board 30 is defined as a horizontal surface. The first portion 31 has a second portion 32 having a width W that tapers downwardly on the left and right sides of the first portion 31, and a width W is tapered downward at the bottom end of the second portion 32. Three parts 33, controlling the bottom end of the third part 33 and the bottom end of the circuit board 30 The first portion 31, the second portion 32, and the third portion 33 are as shown in the figure. Symmetry forming a regular hexagon The five sides of the chamber are also formed with a regular hexagonal hole region 301 extending through the front and rear directions in the five sides; an upper light source module 41 is disposed on the outer surface array of the first portion 31. The LED 410 is formed by a slanting upper light source module 42 which is formed by arranging a plurality of LEDs 420 on the outer surface of the second portion 32; a slanting light source module 43 is disposed on the outer surface array of the third portion 33. The LED 430 is configured to be matched with the fourth and fifth views. The front side and the rear side of the upper control light source module 41, the oblique upper light source module 42 and the oblique lower light source module 43 are aligned with each other and the distance is maintained. In the first dimension 44 of 9 mm, the distance from the right side to the right side of the upper illumination light source module 41, the oblique upper light source module 42 and the oblique lower light source module 43 is maintained at a distance of 5 mm, a second dimension 45, and a distance from the top end to the bottom end. It is kept at 7mm third dimension 46, so the first size 44 times the second size 45 times the third size 46 specification can be easily compatible with the requirements of the United Nations Economic Commission for Europe automotive regulations on array LED layout, and then, please cooperate Figure 6 shows the new type through the circuit board 30 and the photo The source module 41, the oblique upper light source module 42, and the oblique lower light source module 43 are integrally matched, so that the upper illumination light source module 41, the oblique upper light source module 42, and the oblique lower light source module 43 each have an illumination angle of 120°. And further controlling the upper light source module 41 and the oblique upper light source module 42 to be at an angle of not more than 30°, and controlling the oblique upper light source module 42 and the oblique lower light source module 43 to be at an angle of not more than 30°, that is, the present invention can be The new easy to reach 300° illumination angle, which is compatible with the UNECE automotive regulations for lighting radiation Specification: a heat conducting unit 50 is provided with a thermal pad 51 symmetrically along the wall of the chamber 300, and a thermally conductive aluminum extrusion 51 is enriched in the thermal pad 51 so that the heat conducting unit 50 can be opposite to the circuit board 30. Conducting heat dissipation; a heat dissipating unit is formed by combining two fins 60A, 60B for defining a base portion 61 of the interposing chamber 11 and a ring flange 62 capable of abutting the top end of the lamp holder 10. a first region 63 capable of abutting the height H of the circuit board 30, a second region 64 capable of abutting the front and rear sides and the bottom end of the heat conducting unit 50, and further providing heat of the front and rear sides of the symmetrically protruding lamp holder 10 In the exchange block 65, the edge of the present invention can increase the heat dissipation efficiency of the circuit board 30 by multiplying the heat conducting unit 50 and the two heat sinks 60A, 60B as shown in FIG. 7; and a light-transmitting lamp cover 70, The circuit board 30, the upper illumination source module 41, the oblique upper light source module 42 and the oblique lower light source module 43 are disposed in the opening direction, and the bottom end of the lamp cover 70 is transmitted through the ring flange 62 of the heat dissipation unit. And integrally fixed on the lamp holder 10, the lamp cover 70 has a notch 71 for the heat exchange block 65 to protrude and expose the heat exchange. Ring 65 and the flange 62 can be brought into contact with the outside air for convection cooling.

According to the above structural description, the present invention has at least the following features:

1. The circuit board of the present invention can be easily compatible by the first part mounting the upper light source module, the second part mounting the oblique light source module, and the third part installing the oblique lower light source module. The United Nations Economic Commission for Europe's automotive regulations on the replacement of light-emitting diodes (LED) light source class PY21W / LED 9mm × 7mm ×5mm array LED layout specifications.

2. According to the first point, the new type of control between the upper light source module and the oblique upper light source module is not more than 30°, and the angle between the oblique upper light source module and the oblique lower light source module is not more than 30°. Underneath, it can be easily compatible with the RF emission angle requirements of the light-emitting diode (LED) alternative light source PY21W/LED in the United Nations Economic Commission for Europe.

Third, the new type of circuit board is used for sandwiching the heat conduction unit, so that the specific surface area of the heat conduction of the circuit board can be increased, and then the ring flange of the heat dissipation unit and the exposed heat exchange block are arranged outside, and the external air convection is matched. In turn, the heat conducting unit and the circuit board can be quickly removed, so that the present invention is sufficient for the heat dissipation requirements required for the operation of the upper light source module, the oblique upper light source module and the oblique lower light source module.

In summary, the overall configuration of the new model completely breaks through the reforms. The prior art is incompatible with the specifications of the United Nations Economic Commission for Europe's automotive regulations. Therefore, it is a high-level creation of a technical concept, which should meet the requirements of patent applications, and apply in accordance with the law. . However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the equal variation and modification of the scope of the patent application of the present invention should still belong to the present invention. Within the scope of coverage.

Claims (10)

An LED light bulb comprising at least one lamp holder capable of external power supply, a lamp cover fixed above the lamp holder, and a circuit board mounted in the lamp holder and the lamp cover; the bottom end of the circuit board is electrically connected to the lamp The first portion of the first surface is provided with a plurality of LEDs for forming an upper light source module; the circuit board is connected to the first portion to have a width that gradually expands downward In the second part, the width refers to the distance between the left side and the right side of the circuit board, and the second outer surface array is provided with a plurality of LEDs for forming an oblique upper light source module; the circuit board is connected at the bottom end of the second part The third portion of the width is tapered downward to maintain a set height between the bottom end of the third portion and the bottom end of the circuit board. The third portion of the outer surface array is provided with a plurality of LEDs for forming the oblique lower light source module. . The LED light bulb according to claim 1, wherein the front light source module, the oblique upper light source module, and the oblique lower light source module are aligned with each other at a front side and a rear side, and the distance is maintained at a first size, and the second size is further controlled. The distance from the right side to the right side of the light source module is maintained at the second size, and the distance from the top end to the bottom end is maintained at the third size. The LED bulb of claim 2, the first size is maintained at 9 mm, the second size is maintained at 5 mm, and the third size is maintained at 7 mm. The LED light bulb according to claim 1, 2 or 3, the upper illumination light source module, the oblique upper light source module and the oblique lower light source module each have an illumination angle of 120°, and further controls the upper illumination light source module and the oblique upper light source. The interlaced angle of the module is not more than 30°, and the angle between the oblique upper light source module and the oblique lower light source module is not more than 30°. The LED bulb of claim 4, the top of the board defines a first horizontal plane In part, the first part, the second part and the third part are symmetrically formed into five sides of the regular hexagon. The LED bulb according to claim 1, 2 or 3, wherein the circuit board defines a diverting chamber with an opening facing downward, and further defines a front and rear direction of the diverticulum, wherein the diverting chamber has an open bottom end and a closed top end. The utility model is provided for providing a heat conducting unit, so that the heat conducting unit can conduct heat dissipation to the circuit board. The LED light bulb according to claim 6, wherein the heat conducting unit is provided with a heat conducting pad symmetrically along the wall of the chamber, and the heat conducting aluminum extrusion is enriched in the heat conducting mat. The LED bulb according to claim 6, wherein a heat dissipating unit is further disposed between the lamp holder and the heat conducting unit. The LED lamp of claim 8, wherein the lamp socket defines a cavity with an opening facing upward, and a connector capable of external power supply is disposed at the bottom of the lamp holder, and a driving circuit is installed in the cavity, and the driving circuit is a control connector input. The current is supplied to the circuit board; the heat dissipating unit is formed by combining two heat dissipating fins for defining a base portion of the interposing chamber, a first region capable of abutting the surface of the circuit board, and further capable of abutting The second zone of the front and rear sides and the bottom end of the heat conduction unit. The heat-dissipating unit is further provided with a ring flange that can abut the top of the lamp holder, and a heat exchange block symmetrically disposed on the front and rear sides of the lamp holder, so that the bottom end of the lamp cover is transmitted through the heat dissipation unit. The ring flange is integrally fixed to the lamp holder, and the lamp cover has a notch for the heat exchange block to be exposed.