TWI601906B - LED fixtures - Google Patents

Description

Light-emitting diode fixture

The present invention relates to a light-emitting diode fixing device, and more particularly to a light-emitting diode fixing device installed in a vehicle headlight.

Referring to FIG. 8 , in the prior art, the light source generally installed in the interior of the automobile headlight is a light-emitting diode (LED) template 90, and the principle of the production is as follows: The substrate 93 of the bulk crystal grain is disposed on a chip-shaped ceramic circuit board 91 having two electrode contacts 95, and then the ceramic circuit board 91 is disposed on a lower fixing seat (not shown), and is disposed above the ceramic circuit board 91. An upper fixing base 80 has a base 81 and a joint 83. The upper fixing base 80 defines a receiving slot 810. The receiving slot 810 is provided with a plurality of limiting pieces 84. Two electrical contact pieces 85 are disposed, the joint 83 is formed on one side of the upper fixing base 80, and two terminals 86 respectively connecting the two electrical contact pieces 85 are disposed inside the joint 83; the upper fixing seat 80 is disposed on the light After the diode template 90 is mounted, the two electrode contacts 95 are respectively tightly connected to the two electrical contact pieces 85 of the upper fixing base 80, so that the substrate 93 is electrically connected to the terminal 86, and at the same time, due to the abutment of the limiting piece 84, The substrate 93 cannot be detached from the receptacle 810.

However, the prior art fixing method has the following disadvantages:

First, since the LED package 90 needs to be provided with the upper fixing seat 80 and the lower fixing seat above and below the light-emitting diode template 90, when assembling the LED template 90, the three components need to be aligned and manually stabilized before being used. Accurate installation, which is inconvenient in the assembly process;

Secondly, since the two electrical contact pieces 85 are placed over the two electrode contacts 95 in a tightly pressed manner, the device gradually becomes loose after a long time, for example, when the upper fixing seat 80 is slightly slack, it is likely to cause the light emitting diodes. Poor contact between the body template 90 and the terminal 86.

Therefore, the prior art light-emitting diode fixing device needs to be improved.

In view of the shortcomings and deficiencies of the prior art, the present invention provides a light-emitting diode fixing device, which is designed to be convenient to disassemble and make it more convenient to assemble.

For the purpose of the above-mentioned creation, the technical means adopted by the present invention is to design a light-emitting diode fixing device, which comprises a fixing seat, the fixing seat is provided with four fastening grooves, and the four fastening grooves are formed in two On the opposite side wall surfaces of the fixing base; a first fastening component, the first fastening component is provided with two first fastening arms, and the two first fastening arms are respectively convexly formed on the first fastening component a first side of the piece, and the two first fastening arms are disposed in the two fastening grooves of the one side wall of the fixing seat, the first fastening component further comprising a first pressing portion The first pressing portion protrudes from the side surface of the first fastening component; a second fastening component, the second fastening component and the first fastening component are different from each other disposed on the fixing component The second fastening member is provided with two second fastening arms, and the two second fastening arms are respectively formed on one side of the second fastening component, and the two fastening arms are fastened. Cooperating with the two fastening grooves on the other side wall surface of the fixing seat; the second fastening component further includes a connecting port is disposed on the other side of the second fastening member relative to the two second fastening arms; at least one second pressing portion, the at least one second pressing portion protrudes from the two The two sides of the two fastening arms are fixed in the second fastening component, the two terminals comprise a plugging section and an electrical connecting section, and the two plugging sections are disposed in the connecting port a light-emitting diode circuit board module, the light-emitting diode circuit board module is disposed on the fixing base, and the light-emitting diode circuit board module further comprises a circuit substrate, a die and two contacts The circuit board is disposed in the fixing base, the die is disposed on the circuit substrate, the two contacts are disposed on the circuit substrate, and electrically connected to the two electrical connecting segments respectively, and the periphery of the circuit substrate The first pressing portion of the first fastening component and the second pressing portion of the second fastening component are abutted upward.

The advantage of the present invention is that after the LED module is assembled on the fixing base, since the horizontal displacement is restricted by the limiting protrusions, the illumination can be avoided when other devices are installed. The diode circuit board module is horizontally displaced due to the accidental contact, and is fastened into the fixing seat by the first and second fastening members by using the first fastening component and the second fastening component, which can be installed after being aligned from the upper side in the prior art. The present invention utilizes the installation direction of the first fastening component and the second fastening component to be changed to the left and right, and can be quickly installed into the fixing seat only after being aligned with the fastening grooves located on both sides;

In addition, the present invention utilizes the first pressing portion of the first fastening component to press against one of the terminals and the periphery of the LED circuit board module, and the second fastening component further strengthens the illumination of the other side. The peripheral edge of the diode circuit board module is fixed to the LED module by the upper fixing bracket, and the first fastening component and the second side of the left and right sides are utilized in the creation. The fastening members are simultaneously fixed from both ends to provide better stability.

Further, in the above-mentioned light-emitting diode fixing device, the second fastening member is coated and formed on the outside of the two terminals.

Further, in the above-mentioned light-emitting diode fixing device, the fixing seat is further provided with four channels, and the channels are recessed and formed on the bottom surface of the fixing seat, and the positions of the channels are matched with the fastening grooves The positions correspond and the passages extend from the bottom to the top into the fastening slots.

Further, in the above-mentioned light-emitting diode fixing device, the fixing seat is further provided with a plurality of heat-dissipating fins, and the heat-dissipating fins are spaced apart from the bottom surface of the fixing seat.

Further, in the above-mentioned light-emitting diode fixing device, the first pressing portion further includes a terminal slot, and the terminal slot is recessed upward from the lower side of the first pressing portion, wherein the electrical connection portion of a terminal Extending into the terminal slot of the first fastening component and abutting against an inner wall surface of the terminal slot.

Further, in the above-mentioned light-emitting diode fixing device, the fixing base includes a plurality of limiting protrusions, and the limiting protrusions are circumferentially disposed around the top surface of the fixing base, and the peripheral edge of the circuit substrate abuts The limit bumps.

Further, in the above-mentioned light-emitting diode fixing device, the top surface of the fixing seat is concavely formed with a class surface which is disposed around the periphery of the fixing seat, and the fastening grooves are located above the class surface The first fastening component and the second fastening component abut against the class surface.

Further, in the above-mentioned light-emitting diode fixing device, the material of the fixing seat is ceramic material.

Further, in the above-mentioned light-emitting diode fixing device, the first fastening component and the second fastening component are respectively provided with a positioning through hole, and the fixing seat is respectively provided with two corresponding to the two positioning perforations The fixing holes are respectively fixed in the fixing holes through a fixing member.

Further, in the above-mentioned light-emitting diode fixing device, the top surface of the fixing seat is further provided with a groove, and the groove is disposed below the connection port of the second fastening component.

The technical means adopted by the present invention for achieving the intended purpose of creation are further explained below in conjunction with the drawings and the preferred embodiment of the present invention.

As shown in FIG. 1 to FIG. 3 , the LED device of the present invention comprises a fixing base 10 , a first fastening component 20 , a second fastening component 30 , and a light emitting diode circuit board module . 40 and two terminals 50.

As shown in FIG. 2 , FIG. 5 and FIG. 6 , the fixing base 10 is a rectangular block body, and the fixing base 10 is provided with four fastening slots 11 , and the four fastening slots 11 are formed in the fixing base 10 . The opposite sides of the side wall and the bottom surface of the fixing base 10 are further recessed and formed with four passages 12, and the positions of the four passages 12 correspond to the four fastening slots 11, that is, the respective fastening slots 11 and the respective The channels 12 are disposed on the same vertical line, and the channels 12 extend upwardly from the bottom into the fastening slots 11. In other words, the spaces formed by the fastening slots 11 can be connected to the corresponding channels 12 through.

As shown in FIG. 1 , FIG. 3 and FIG. 6 , the fixing base 10 is further provided with a plurality of heat dissipation fins 13 , a plurality of limiting protrusions 14 and a first-level surface 15 . The heat dissipation fins 13 are spaced apart from the fixing seat 10 . The bottom surface of the fixing block 10 is disposed on the top surface of the fixing base 10; the level surface 15 is recessed and formed on the top surface of the fixing base 10, and is disposed around the circumference of the fixing base 10, and the same The snap groove 11 is located above the level surface 15, in other words, the side walls provided with the snap grooves 11 project upwardly above the level surface 15.

In this embodiment, the material of the fixing base 10 is ceramic, but not limited thereto, and may be metal or other material that is easy to conduct heat.

Referring to FIG. 1 , FIG. 2 and FIG. 5 , the first fastening component 20 is disposed on the fixing base 10 and abuts against the platform surface 15 ; the first fastening component 20 is further provided with two first buckles. The first arming arms 21 are respectively formed on one side of the first fastening component 20, and the first fastening arms 21 are respectively fastened to one of the fixing brackets 10. The first fastening component 20 further includes a first pressing portion 22, and the first pressing portion 22 is convexly formed on the first fastening component 20 and the fixing base 10. The first pressing portion 22 further includes a terminal slot 221. The terminal slot 221 is recessed upward from the lower side of the first pressing portion 22 to form a bottom surface of the first pressing portion 22. Grooved structure.

As shown in FIG. 2 to FIG. 5 , the second fastening component 30 is disposed on the fixing base 10 , and more specifically, the second fastening component 30 and the first fastening component 20 are disposed on the fixing base 10 . The two opposite sides of the second fastening member 31 are respectively formed on the second fastening member 31. The second fastening member 31 is respectively formed on the second fastening member 31. One of the two fastening arms 31 is inserted into the two fastening grooves 11 of the other side wall surface of the fixing base 10, in other words, the first fastening component 20 The second fastening members 30 are respectively fixed from opposite sides of the fixing base 10.

As shown in FIG. 1 to FIG. 3 , the second fastening component 30 further includes a connecting port 32 and at least one second pressing portion 33 . The connecting port 32 is disposed on the second fastening component 30 corresponding to the two The other side of the second fastening arm 31, in other words, the connecting opening 32 is disposed in a direction opposite to the direction in which the second fastening member 30 is fastened to the fixing base 10; at least one second pressing portion 33 is protruded In this embodiment, the number of the at least one second pressing portion 33 is two, but not limited thereto, and may be other numbers.

As shown in FIG. 1 , FIG. 2 and FIG. 7 , the LED module 40 is disposed on the mounting base 10 , and the LED module 40 includes a circuit board 41 and a die 42 . In the present embodiment, the circuit board 41 is a rectangular plate body, but is not limited thereto; the circuit board 41 is disposed on the fixing base 10 and the peripheral edge of the circuit board 41 abuts the limit In the embodiment, the number of the bumps 14 is eight, and the two of the limit bumps 14 are in abutment against the four corners of the circuit substrate 41, so that the circuit substrate 41 is not horizontally movable. The limiting block 10 can be disposed on the circuit substrate 41, and the die 42 is disposed on the circuit board 41. In the middle of the circuit board 41 , the two contacts 43 are respectively disposed on the two sides of the die 42 adjacent to the first fastening component 20 and the second fastening component 30 .

Referring to FIG. 1 , FIG. 2 and FIG. 4 , the two terminals 50 are fixed to the inside of the second fastening component 30 . Further, the second fastening component 30 is coated and formed on the two terminals 50 . In addition, but not limited thereto, the two terminals 50 and the second fastening component 30 can be fixed by other means, for example, the two terminals 50 are fixed on the second fastening component 30 by being inserted and fixed; each of the terminals The splicing section 51 and the electrical connection section 52 are disposed in the connection port 32 and can be electrically connected to an external power supply; the two electrical connection sections 52 respectively extend to The two contacts 43 on the LED board module 40 are disposed downwardly opposite to the two contacts 43 to connect the LED module 40 to the external portion through the plug connector 51. The power supply is electrically connected. In this embodiment, since the two terminals 50 are disposed on the second fastening component 30, the two terminals 43 are connected to opposite sides of the circuit substrate 41, and one of the terminals 50 is electrically connected. The shape of the connecting portion 52 is elongated and extends from the second fastening member 30 toward the first fastening member 20, and the electrical connecting portion 52 extends. Terminal to the first fastening groove 221 engagement member 20, and upper surface of the terminal against the inner wall of the groove 221.

Referring to FIG. 2 and FIG. 7 , in the assembly of the present invention, the LED module 40 is placed on the fixing seat 10 and the limiting space surrounded by the limiting bumps 14 is The first fastening component 20 and the second fastening component 30 are respectively disposed in the fixing base 10 by the opposite sides of the LED circuit board module 40, and the LED module 40 is disposed. Further, after the installation is completed, the peripheral edge of the circuit substrate 41 abuts against the first pressing portion 22 of the first fastening component 20 and the second fastening component 30 of the second fastening component 30. In the pressing portion 33, since the circuit board 41 is simultaneously fixed by the first fastening member 20 and the second fastening member 30 in the vertical direction, and is fixed in the horizontal direction by the limiting protrusions 14, the use is performed. When assembled, the components can be easily assembled to the correct position without worrying about the problem of sliding off or misalignment of the components.

Referring to FIG. 1 and FIG. 2 , further, the first fastening component 20 and the second fastening component 30 are respectively provided with a positioning through hole 61 , and the fixing seat 10 is provided with a position and the two positioning through holes 61 . The first fastening member 62 and the second fastening member 30 respectively extend through the positioning through hole 61 and the fixing hole 62 by using a fixing member 63, so that the first fastening member 20 and the second fastening member 20 The fastening member 30 is more securely fixed to the fixing base 10.

In this embodiment, the fixing member 63 is a screw, and the fixing member 63 and the positioning through hole 61 and the fixing hole 62 are fixed by screwing, but not limited thereto, and may be other fixing manners.

Referring to FIG. 5, after the first fastening arm 21 and the second fastening arm 31 are inserted into the corresponding fastening slots 11, the user can also use the tool to pull up from the channel 12 at the bottom of the fixing base 10. After the first fastening arm 21 and the second fastening arm 31 are removed, and the fixing member 63 is removed, the first fastening component 20 and the second fastening component 30 can be easily separated from the fixing base 10 to be disassembled. The convenience of convenience.

Referring to FIG. 3, after the assembly of the present invention is completed, after the connection port 32 of the second fastening component 30 is electrically connected to the external power source, the power of the LED circuit board module 40 can be provided to achieve illumination. Further, the fixing base 10 further defines a recess 16 under the connecting port 32. When the user electrically connects the external power source to the connecting port 32, the space reserved by the recess 16 can be inserted. The process of pulling is more convenient.

At the same time, due to the material of ceramics, the heat conduction effect is good, and the waste heat source generated by the light-emitting diode circuit board module 40 can be quickly taken away from the creation, so as to avoid the excessive temperature, the light-emitting diode circuit board module 40 is avoided. The damage occurs and the heat dissipation fins 13 at the bottom of the mount 10 are used to further accelerate the heat dissipation process.

The above description is only a preferred embodiment of the present invention, and does not impose any form limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, and has any technical field. A person skilled in the art can make some modifications or modifications to the equivalent embodiments by using the above-disclosed technical contents without departing from the scope of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still within the scope of the present technical solution.

10‧‧‧ Fixed seat

11‧‧‧ buckle slot

12‧‧‧ channel

13‧‧‧Heat fins

14‧‧‧ Limit bumps

15‧‧ ‧ class

16‧‧‧ Groove

20‧‧‧First fastening piece

21‧‧‧First fastening arm

22‧‧‧First Pressure Relief Department

221‧‧‧Terminal slot

30‧‧‧Second fasteners

31‧‧‧Second fastening arm

32‧‧‧Connecting port

33‧‧‧Second Pressure Relief Department

40‧‧‧Lighting diode circuit board module

41‧‧‧ circuit board

42‧‧‧ grain

43‧‧‧Contacts

50‧‧‧terminal

51‧‧‧Docking section

52‧‧‧Electrical connection

61‧‧‧ Positioning perforation

62‧‧‧Fixed holes

63‧‧‧Fixed parts

80‧‧‧Upper mount

81‧‧‧Base

810‧‧‧ 容容

83‧‧‧Connectors

84‧‧‧Limited film

85‧‧‧Electrical contact piece

86‧‧‧terminal

90‧‧‧Lighting diode template

91‧‧‧ceramic circuit board

93‧‧‧Substrate

95‧‧‧Electrode contacts

Figure 1 is a three-dimensional appearance of the creation. Figure 2 is an exploded view of the components of the present creation. Figure 3 is another perspective view of Figure 1. Figure 4 is a top view of the two terminals of the present creation. Figure 5 is a top plan view of the creation. Figure 6 is a cross-sectional view of the channel of the present creation. Figure 7 is a top view of the creation. Figure 8 is a schematic illustration of a prior art light emitting diode fixture.

10‧‧‧ Fixed seat

13‧‧‧Heat fins

14‧‧‧ Limit bumps

15‧‧ ‧ class

16‧‧‧ Groove

20‧‧‧First fastening piece

22‧‧‧First Pressure Relief Department

221‧‧‧Terminal slot

30‧‧‧Second fasteners

32‧‧‧Connecting port

33‧‧‧Second Pressure Relief Department

40‧‧‧Lighting diode circuit board module

41‧‧‧ circuit board

42‧‧‧ grain

50‧‧‧terminal

52‧‧‧Electrical connection

63‧‧‧Fixed parts

Claims (10)

A light-emitting diode fixing device comprises a fixing seat, wherein the fixing seat is provided with four fastening grooves, and the two fastening grooves are concavely formed on the lateral opposite side walls of the fixing seat; a first fastening component is provided with two first fastening arms, and the two first fastening arms are respectively formed on a lateral side of the first fastening component, and the two first fastening components are respectively The first fastening component further includes a first pressing portion, and the first pressing portion protrudes and extends from the two fastening grooves of the one side wall of the fixing seat. a second fastening member, the second fastening component and the first fastening component are disposed on different sides of the fixing seat, and the second fastening component is provided with two a second fastening arm, wherein the two second fastening arms are respectively formed on a lateral side of the second fastening component, and the two fastening arms are fastened to the other side of the fixing seat In the two fastening grooves on the wall surface; the second fastening component further comprises a connection port, the connection opening is disposed on the second fastening component relative to the The other side of the second fastening arm; the at least one second pressing portion protrudes from the lateral side of the two second fastening arms; two terminals, the two terminals are fixed at In the second fastening component, the two terminals comprise a plugging segment and an electrical connecting segment, wherein the two plugging segments are disposed in the connecting port; a light emitting diode circuit board module, the light emitting diode circuit The LED module is disposed on the mounting base, and the LED module further includes a circuit substrate, a die and two contacts, the circuit substrate is disposed in the fixing base, and the die is disposed on the On the circuit board, the two contacts are disposed on the circuit substrate, and electrically connected to the two electrical connecting segments, respectively, and the peripheral edge of the circuit substrate abuts against the first pressing portion of the first fastening component And the second pressing portion of the second fastening component. The illuminating diode mounting device of claim 1, wherein the second fastening component is overmolded and formed outside the two terminals. The illuminating diode mounting device of claim 1, wherein the fixing base is further provided with four channels, the channels are recessed and formed on the bottom surface of the fixing seat, and the positions of the channels are matched with the fastening grooves The positions correspond to each other and the passages extend from the bottom to the top into the fastening slots. The light-emitting diode fixing device of claim 1, wherein the fixing seat is further provided with a plurality of heat-dissipating fins, and the heat-dissipating fins are spaced apart from the bottom surface of the fixing seat. The light-emitting diode fixing device of claim 1, wherein the first pressing portion further comprises a terminal slot, the terminal slot is recessed upward from a lower side of the first pressing portion, wherein the electrical connection of a terminal The segment extends into the terminal slot of the first fastening component and abuts against the inner wall surface of the terminal slot. The illuminating diode mounting device of any one of claims 1 to 5, wherein the fixing base includes a plurality of limiting protrusions, and the limiting protrusions are spaced apart from the top surface of the fixing seat. The circumference of the circuit substrate abuts the limit bumps. The light-emitting diode fixing device according to any one of claims 1 to 5, wherein a top surface of the fixing seat is concavely formed with a class surface, the class surface is circumferentially disposed around the periphery of the fixing seat, and the fastening is The slot is located above the class surface; the first fastening component and the second fastening component abut against the class surface. The light-emitting diode fixing device according to any one of claims 1 to 5, wherein the fixing seat is made of a ceramic material. The illuminating diode mounting device of any one of the preceding claims, wherein the first fastening component and the second fastening component are respectively provided with a positioning through hole, and the fixing seat is respectively provided with The two positioning holes are corresponding to the two fixing holes, and the two positioning holes are respectively fixed in the fixing hole through a fixing member. The light-emitting diode fixing device according to any one of claims 1 to 5, wherein a top surface of the fixing base is further provided with a groove, and the groove is disposed below the connection port of the second fastening component .