CN208587754U - A kind of excellent heat dissipation LED lamp pearl - Google Patents

Abstract

The utility model discloses a kind of excellent heat dissipation LED lamp pearls, including substrate, lens are installed at the top of the substrate, the inside of the substrate, which is run through, negative electrode pin, the outer cover of the negative electrode pin is equipped with the second fixed knot, and cathode conductive plate is installed at the top of negative electrode pin, the substrate far from a side position of negative electrode pin through there is negative electrode pin, the outer cover of the negative electrode pin is equipped with the first fixed knot, and the side of negative electrode pin is equipped with heat sink, perforation is offered on the heat sink, the utility model is provided with heat sink and perforation, since heat sink is connected to semiconductor wafer, the heat that semiconductor wafer generates is dissipated by heat sink, the perforation on heat sink can increase the heat dissipation of heat sink simultaneously, LED lamp bead is avoided because thermal diffusivity is bad, lead to failure problems caused by related device overheat, And because heat height leads to the damage of associated materials, increase the service life and service life of LED lamp bead.

Description

A kind of excellent heat dissipation LED lamp pearl

Technical field

The utility model belongs to LED lamp bead technical field, and in particular to a kind of excellent heat dissipation LED lamp pearl.

Background technique

LED lamp bead is exactly the english abbreviation of light emitting diode, and abbreviation LED, it is big that LED lamp bead is widely used in lamp ornaments lighting, LED Screen shows, traffic lights, decoration, computer, electronic toy gift, interchanger, telephone set, advertisement, city brilliance engineering etc. are many Production field is broadly divided into direct insertion small-power specification lamp bead, patch and great power LED.

But LED lamp bead currently on the market is due to needing good airtightness to be easy to lead so often thermal diffusivity is bad The problems such as causing the service life of LED lamp bead reduces, causes the decline of material quality, and overheat and cause electronic device failure, In addition, the shock resistance of LED lamp bead is bad, tend to that part of devices is caused to loosen so that LED lamp bead can not work normally.

Utility model content

The purpose of this utility model is to provide a kind of excellent heat dissipation LED lamp pearls, to solve to propose in above-mentioned background technique Poor radiation and the bad problem of shock resistance.

To achieve the above object, the utility model provides the following technical solutions: a kind of excellent heat dissipation LED lamp pearl, including base Bottom, is equipped with lens at the top of the substrate, and the inside of the substrate is through having negative electrode pin, the outer cover of the negative electrode pin Cathode conductive plate, side position of the substrate far from negative electrode pin are installed equipped with the second fixed knot, and at the top of negative electrode pin The place of setting is through there is negative electrode pin, and the outer cover of the negative electrode pin is equipped with the first fixed knot, and the side of negative electrode pin is equipped with Heat sink offers perforation on the heat sink, and bracket, the inside installation of the bracket are equipped at the top of the negative electrode pin There is reflector, the two sides of the reflector inwall are mounted on fixed block, and the inside of the reflector is equipped with cushion, described Semiconductor wafer is installed, the side at the top of the semiconductor wafer is provided with connector, the connector at the top of cushion On be fixedly connected with wire, fluorescope is installed at the top of the bracket.

Preferably, the inner wall of the fluorescope is provided with fluorescence coating.

Preferably, the anode of the negative electrode pin and semiconductor wafer is connected.

Preferably, the top of the cathode conductive plate is connected with semiconductor wafer by wire and connector.

Preferably, the cushion is fixed with semiconductor wafer by die bond glue.

Compared with prior art, the utility model has the beneficial effects that

(1) the utility model is provided with heat sink and perforation, since heat sink is connected to semiconductor wafer, semiconductor wafer The heat of generation is dissipated by heat sink, while the perforation on heat sink can increase the heat dissipation of heat sink, avoid LED lamp bead because It is bad for thermal diffusivity, the problem of leading to related device overheat and cause failure, and the damage for avoiding heat height from leading to associated materials It is bad, extend the service life and service life of LED lamp bead.

(2) the utility model is provided with cushion and fixed block, and cushion and semiconductor wafer are solid by die bond glue It is fixed, under the action of cushion, the vibration of semiconductor wafer is avoided, while under the action of fixed block, avoiding fixed block It is loosened because of vibration, influences the normal work of LED lamp bead, it is therefore prevented that the loss of LED lamp bead during transportation increases The shock resistance of LED lamp bead.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 is the enlarged drawing of the utility model a-quadrant；

Fig. 4 is the enlarged drawing of the utility model B area；

In figure: 1- negative electrode pin；The first fixed knot of 2-；3- negative electrode pin；The second fixed knot of 4-；5- heat sink；6- perforation； 7- substrate；8- cathode conductive plate；9- bracket；10- wire；11- lens；12- semiconductor wafer；13- cushion；14- is fixed Block；15- fluorescope；16- reflector；17- connector.

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.

It please refers to shown in Fig. 1-Fig. 4, the utility model provides the following technical solutions: a kind of heat dissipation type high LED lamp bead, packet Substrate 7 is included, the top of substrate 7 is equipped with lens 11, plays the role of optically focused, and the inside of substrate 7, which is run through, negative electrode pin 3, The outer cover of negative electrode pin 3 is equipped with the second fixed knot 4, plays the role of fixed and positions, and the top installation of negative electrode pin 3 Have cathode conductive plate 8, play conductive effect, substrate 7 far from a side position of negative electrode pin 3 through there is negative electrode pin 1, The outer cover of negative electrode pin 1 is equipped with the first fixed knot 2, plays the role of fixed and positions, and the side installation of negative electrode pin 1 There is heat sink 5, plays the role of heat dissipation, perforation 6 is offered on heat sink 5, playing the role of, which enhances heat sink 5, radiates, Since heat sink 5 is connected to semiconductor wafer 12, the heat that semiconductor wafer 12 generates is dissipated by heat sink 5, is radiated simultaneously Perforation 6 on plate 5 can increase the heat dissipation of heat sink 5, and the top of negative electrode pin 1 is equipped with bracket 9, and the inside of bracket 9 is equipped with The two sides of reflector 16,16 inner wall of reflector are mounted on fixed block 14, play the role of fixed semiconductor wafer 12, instead The inside of light cup 16 is equipped with cushion 13, plays and buffers shockproof effect, the top of cushion 13 is equipped with semiconductor die Piece 12, plays conductive effect, and the side at 12 top of semiconductor wafer is provided with connector 17, is fixedly connected on connector 17 There is wire 10, the top of bracket 9 is equipped with fluorescope 15.

In order to change the color for issuing light, in the present embodiment, it is preferred that the inner wall of fluorescope 15 is provided with fluorescence coating.

For the ease of being powered to semiconductor wafer 12, in the present embodiment, it is preferred that negative electrode pin 1 and semiconductor crystal 12 Anode connect.

In order to guarantee that semiconductor wafer 12 is connected to positive and negative anodes, in the present embodiment, it is preferred that the top of cathode conductive plate 8 It is connected with semiconductor wafer 12 by wire 10 and connector 17.

In order to securely fix semiconductor wafer 12, in the present embodiment, it is preferred that cushion 13 and semiconductor wafer 12 are logical Die bond glue is crossed to fix.

Working principle: the negative electrode pin 1 of LED lamp bead is connect with external positive power supply, negative electrode pin 3 and external power supply Cathode connection, electric current flows through semiconductor wafer 12 by negative electrode pin 1, then flows to negative conductive plate 8 by wire 10, Using negative electrode pin 3 be connected to external power supply cathode, at this point, flowed through in semiconductor wafer 12 electric current carry out it is luminous, reflective Fluorescope 15 and lens 11 are penetrated after the reflection of cup 16, the light of color required for issuing, lens 11 play poly- during this Light action, while the heat that semiconductor wafer 12 generates is radiated by heat sink 5, moreover, perforation 6 accelerates dissipating for heat sink 5 Heat increases the thermal diffusivity of LED lamp bead, in addition, due under the bumper and absorbing shock of cushion 13 and the fixed function of fixed block 14, Increase the shock resistance of semiconductor wafer 12 during transportation.

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 (5)

1. a kind of excellent heat dissipation LED lamp pearl, including substrate (7), it is characterised in that: be equipped with lens at the top of the substrate (7) (11), through having negative electrode pin (3), the outer cover of the negative electrode pin (3) is equipped with the second fixed knot for the inside of the substrate (7) (4), it and at the top of negative electrode pin (3) is equipped with cathode conductive plate (8), side position of the substrate (7) far from negative electrode pin (3) The place of setting is through having negative electrode pin (1), and the outer cover of the negative electrode pin (1) is equipped with the first fixed knot (2), and negative electrode pin (1) Side be equipped with heat sink (5), offered perforation (6) on the heat sink (5), the installation of the top of the negative electrode pin (1) Have bracket (9), the inside of the bracket (9) is equipped with reflector (16), and the two sides of reflector (16) inner wall are mounted on The inside of fixed block (14), the reflector (16) is equipped with cushion (13), and half is equipped at the top of the cushion (13) Conductor chip (12), the side at the top of the semiconductor wafer (12) are provided with connector (17), solid on the connector (17) Surely it is connected with wire (10), fluorescope (15) is installed at the top of the bracket (9).

2. a kind of excellent heat dissipation LED lamp pearl according to claim 1, it is characterised in that: the inner wall of the fluorescope (15) It is provided with fluorescence coating.

3. a kind of excellent heat dissipation LED lamp pearl according to claim 1, it is characterised in that: the negative electrode pin (1) with partly lead The anode of body chip (12) is connected.

4. a kind of excellent heat dissipation LED lamp pearl according to claim 1, it is characterised in that: the top of the cathode conductive plate (8) Portion is connected with semiconductor wafer (12) by wire (10) and connector (17).

5. a kind of excellent heat dissipation LED lamp pearl according to claim 1, it is characterised in that: the cushion (13) with partly lead Body chip (12) is fixed by die bond glue.