CN208474974U

CN208474974U - A kind of LED lamp bead

Info

Publication number: CN208474974U
Application number: CN201821097690.7U
Authority: CN
Inventors: 雷立果; 方达怀
Original assignee: Guangzhou Rino Electronics Technology Co Ltd
Current assignee: Guangzhou Rino Electronics Technology Co Ltd
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2019-02-05
Anticipated expiration: 2028-07-12

Abstract

The utility model discloses a kind of LED lamp beads, including pedestal, midpoint at the top of the pedestal is fixedly connected with radiating block, heat dissipation channel is offered at the top of the radiating block, support arm is fixedly connected at the top of the pedestal and on the outside of radiating block, die bond silica gel is provided at the top of the radiating block, the bottom of the die bond silica gel and the bottom of support arm inner wall contact with each other, midpoint at the top of the die bond silica gel is provided with LED chip, there are two leads for the surface setting of the LED chip, positive pin is fixedly installed on the left of the support arm, negative pin is fixedly installed on the right side of the support arm, mounting groove is offered at the top of the support arm.The utility model structure is simple, and novel in design, manufacturing cost is low, not only can guarantee the firmness after lens are fixed, but also have good heat dissipation performance, is conducive to various occasions to the use needs of LED lamp bead, can meet the needs of batch production production.

Description

A kind of LED lamp bead

Technical field

The utility model relates to led light technology field, specially a kind of LED lamp bead.

Background technique

LED is English Light Emitting Diode(light emitting diode) abbreviation, its basic structure is one block of electricity Then the chip of semiconductor material of photoluminescence connects chip and electricity with silver wire or gold thread on elargol or latex solidified to bracket Road plate, then surrounding is sealed with epoxy resin, is played the role of protecting internal core, is finally installed shell, so LED light is anti- Shock stability is good, the hair in terms of being related to the daily household electrical appliances such as mobile phone, desk lamp, household electrical appliances and machinery production with field, with conventional light source Light effect is compared, and LED light source is low pressure microelectronic product, has successfully merged computer technology, network communication technology, at image Reason technology and embedded Control technology etc., the innovation that LED encapsulates design aspect includes high-conductivity metals block substrate, flip-chip Design and naked disk casting type lead frame etc., the device of high power, low thermal resistance, and these devices can be designed using these methods The illumination of part is bigger than the illumination of traditional LED product, currently, existing technology mostly uses greatly single bonding when installing to lens Mode or the mode of rotary clamping are installed, however in actual use, usually since influence can be because for the factors such as vibration It is bonded insecure or clamping piece to be detached from card slot and cause falling off for lens, and then will have a direct impact on the use of LED lamp bead, together When, if being fixed using direct bonding way, also need to expend a large amount of manpowers and operated, being unable to satisfy batch production production needs It wants, for this purpose, it is proposed that a kind of LED lamp bead, has and facilitate mounted lens and lens can be guaranteed with excellent compared with high-stability Point.

Utility model content

The purpose of this utility model is to provide a kind of LED lamp beads, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of LED lamp bead, including pedestal, the base The midpoint at seat top is fixedly connected with radiating block, offers heat dissipation channel at the top of the radiating block, at the top of the pedestal and It is fixedly connected with support arm on the outside of radiating block, die bond silica gel, the die bond silica gel are provided at the top of the radiating block Bottom and the bottom of support arm inner wall contact with each other, the midpoint at the top of the die bond silica gel is provided with LED chip, described The surface setting of LED chip is fixedly installed with positive pin, the right side of the support arm on the left of the support arm there are two lead Side is fixedly installed with negative pin, and mounting groove is offered at the top of the support arm, and the mounting groove is internally provided with lens Ontology, the top of the lens body is through mounting groove and extends to outside it, the lens body surface and is located at support arm Top be fixedly connected with ring-type fixing plate, the bottom of the ring-type fixing plate is fixedly connected with cutting, at the top of the support arm The position of corresponding cutting offers slot used in conjunction with, inside the lens body and is located at the inside of mounting groove and opens up There is bonding chamber, the bonding chamber is internally provided with film vesica, and the bottom of the lens body offers mutual with bonding chamber The flow-guiding channel of connection, is fixedly connected with that there are two fine needles at the top of the bonding cavity wall, and the two sides of the LED chip are respectively provided with There is heat conductive filament.

Preferably, the pedestal is an integral molding structure with radiating block.

Preferably, the positive pin is electrically connected with two leads respectively with negative pin.

Preferably, the film vesica is internally provided with glue.

Preferably, the one end of the heat conductive filament far from LED chip through bonding chamber and extends to inside it.

Compared with prior art, the beneficial effects of the utility model are as follows:

The utility model is inserted into slot when installing to lens body, by cutting, forms connected structure and is once fixed, At the same time, using LED chip at runtime caused by heat be transferred in bonding chamber through heat conductive filament, heat makes film vesica Expanded, after being punctured by fine needle, internal glue flows into mounting groove through flow-guiding channel, so as to make lens body with Mounting groove carry out it is secondary be adhesively fixed, thus improve lens body installation after stability, the utility model structure is simple, Novel design, manufacturing cost is low, not only can guarantee the firmness after lens are fixed, but also have good heat dissipation performance, has The use of LED lamp bead is needed conducive to various occasions, the needs of batch production production can be met.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the structure of the utility model main view；

Fig. 2 is the partial enlarged view of A-A in the utility model Fig. 1.

In figure: 1 pedestal, 2 radiating blocks, 3 heat dissipation channels, 4 support arms, 5 die bond silica gel, 6 LED chips, 7 leads, 8 anodes Pin, 9 negative pins, 10 mounting grooves, 11 lens bodies, 12 ring-type fixing plates, 13 cuttings, 14 slots, 15 bonding chambers, 16 films Vesica, 17 flow-guiding channels, 18 fine needles, 19 heat conductive filaments.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The midpoint of a kind of LED lamp bead referring to FIG. 1-2, including pedestal 1,1 top of pedestal is fixedly connected with radiating block 2, Pedestal 1 is an integral molding structure with radiating block 2, and the top of radiating block 2 offers heat dissipation channel 3,1 top of pedestal and is located at heat dissipation The outside of block 2 is fixedly connected with support arm 4, and the top of radiating block 2 is provided with die bond silica gel 5, and die bond silica gel 5 can cooperate radiating block 2 play good heat dissipation effect with heat dissipation channel 3, and the bottom of die bond silica gel 5 and the bottom of 4 inner wall of support arm contact with each other, Gu The midpoint at 5 top of crystal silicon glue is provided with LED chip 6, and there are two lead 7, the left sides of support arm 4 for the surface setting of LED chip 6 It is fixedly installed with positive pin 8, the right side of support arm 4 is fixedly installed with negative pin 9, and positive pin 8 is distinguished with negative pin 9 It being electrically connected with two leads 7, the top of support arm 4 offers mounting groove 10, and mounting groove 10 is internally provided with lens body 11, The top of lens body 11 is through mounting groove 10 and extends to outside it, 11 surface of lens body and the top for being located at support arm 4 It is fixedly connected with ring-type fixing plate 12, the bottom of ring-type fixing plate 12 is fixedly connected with cutting 13, corresponds to cutting at the top of support arm 4 13 position offers slot 14 used in conjunction with, and 11 inside of lens body and the inside for being located at mounting groove 10 offer viscous Chamber 15 is connect, bonding chamber 15 is internally provided with film vesica 16, and film vesica 16 is internally provided with glue, lens body 11 Bottom offers the flow-guiding channel 17 being interconnected with bonding chamber 15, is fixedly connected with that there are two fine needles at the top of 15 inner wall of bonding chamber 18, the two sides of LED chip 6 are provided with heat conductive filament 19, and the one end of heat conductive filament 19 far from LED chip 6 is through bonding chamber 15 and prolongs It extends to inside it, the utility model is inserted into slot 14 when installing to lens body 11, by cutting 13, forms connected structure and carries out It is primary fixed, at the same time, using LED chip 6 at runtime caused by heat be transferred in bonding chamber 15 through heat conductive filament 19, Heat expands film vesica 16, and after being punctured by fine needle 18, internal glue flows into mounting groove through flow-guiding channel 17 In 10, so as to make lens body 11 and mounting groove 10 carry out it is secondary be adhesively fixed, thus improve lens body 11 installation Stability afterwards, the utility model structure is simple, and novel in design, manufacturing cost is low, not only can guarantee secured after lens are fixed Degree, and there is good heat dissipation performance, be conducive to various occasions to the use needs of LED lamp bead, batch production can be met The needs of production.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of LED lamp bead, including pedestal (1), it is characterised in that: the midpoint at the top of the pedestal (1) is fixedly connected with scattered Heat block (2) offers heat dissipation channel (3) at the top of the radiating block (2), at the top of the pedestal (1) and is located at radiating block (2) Outside is fixedly connected with support arm (4), is provided with die bond silica gel (5) at the top of the radiating block (2), the die bond silica gel (5) Bottom and the bottom of support arm (4) inner wall contact with each other, the midpoint at the top of the die bond silica gel (5) is provided with LED chip (6), there are two the surface settings of the LED chip (6) lead (7), anode is fixedly installed on the left of the support arm (4) and is drawn Foot (8) is fixedly installed with negative pin (9) on the right side of the support arm (4), offers installation at the top of the support arm (4) Slot (10), the mounting groove (10) are internally provided with lens body (11), and the top of the lens body (11) is through installation It slot (10) and extends to outside it, lens body (11) surface and is located above support arm (4) and is fixedly connected with annular The bottom of fixed plate (12), the ring-type fixing plate (12) is fixedly connected with cutting (13), corresponding at the top of the support arm (4) to insert The position of item (13) offers slot used in conjunction with (14), and the lens body (11) is internal and is located at mounting groove (10) Inside offer bonding chamber (15), the bonding chamber (15) is internally provided with film vesica (16), the lens body (11) bottom offers the flow-guiding channel (17) being interconnected with bonding chamber (15), and the top of bonding chamber (15) inner wall is solid There are two fine needle (18) for fixed connection, and the two sides of the LED chip (6) are provided with heat conductive filament (19).

2. a kind of LED lamp bead according to claim 1, it is characterised in that: the pedestal (1) is integrated with radiating block (2) Molding structure.

3. a kind of LED lamp bead according to claim 1, it is characterised in that: the anode pin (8) and negative pin (9) It is electrically connected respectively with two leads (7).

4. a kind of LED lamp bead according to claim 1, it is characterised in that: film vesica (16) are internally provided with Glue.

5. a kind of LED lamp bead according to claim 1, it is characterised in that: the heat conductive filament (19) is far from LED chip (6) One end through bonding chamber (15) and extending to inside it.