CN101539252A

CN101539252A - LED lamp encapsulation structure with bolt

Info

Publication number: CN101539252A
Application number: CN200910115257A
Authority: CN
Inventors: 裘国江
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-27
Filing date: 2009-04-27
Publication date: 2009-09-23

Abstract

The invention belongs to the field of LED encapsulation structure technology, relating to an LED lamp encapsulation structure with a bolt; the encapsulation structure comprises an LED wafer and an electrode pin; the upper part of the bolt is provided with a PCB plate and the LED wafer; the lower surface of the PCB plate is provided with a concentric ring-shaped electrode pin; the electrodes on the LED wafer are electrically connected with the electrode pins or the bolt and the electrode pin respectively; the PCB plate on the electrode pin, the bolt and the LED wafer are covered by a transparent plastic rubber. The LED lamp encapsulation structure has the advantages that when in use, the bolt is only fastened on a target substrate without needs of manual welding; furthermore, after the positions of the anode and the cathode are uniformly standardized, the wiring error of reversed polarity can be avoided; the bolt has a function of heat accumulation and heat conduction simultaneously; and the bolt is closely bonded to the heat dissipation part and has large area, thus having better heat dissipation effect and convenient maintenance and replacement in the future.

Description

The LED lamp encapsulation structure of strap bolt

Technical field

The invention belongs to LED encapsulating structure technical field, refer in particular to a kind of LED lamp encapsulation structure of strap bolt.

Background technology

The LED lamp is as a kind of luminescent device that directly electric energy is converted into visible light and radiant energy, it is low to have operating voltage, power consumption is little, the luminous efficiency height, emission response time is short, product itself and and manufacturing process all pollution-free, shock resistance, vibration resistance, stable and reliable for performance, in light weight, volume is little, and cost is low, series of advantages such as the life-span is long, be widely applied to fields such as light source on the LCD screen, projecting lamp, traffic lights, auto lamp, and beginning day by day replaces traditional filament bulb, be considered to top quality light source of 21 century.

The encapsulating structure of traditional LED lamp generally has straight cutting and two kinds of packing forms of paster, as shown in Figure 1, direct insertion LED lamp generally has a long and short two electrode pin 2, is respectively both positive and negative polarity, the LED wafer encapsulates with plastic shell 1, and the bottom is that insulating base is used for fixing electrode pin; The adopting surface mounted LED lamp generally is a rectangular base, the LED wafer is positioned at the middle part, two of rectangular base is provided with electrode pin, electrode pin adopts high heat radiating metal to make, to realize thermolysis to the LED wafer, adopt the LED of above-mentioned two kinds of packing forms, all must the technical staff it be welded on printed circuit board (pcb) or the relevant electronic equipment, its weak point is: the one, when using, need the technical staff that the both positive and negative polarity of LED lamp is welded on circuit board or the relevant electronic equipment, easily polarity is connect instead during welding, even burn out other electron component in the circuit; The 2nd, the radiating effect of LED lamp is not very good, causes reduce the service life of LED lamp.

Summary of the invention

The purpose of this invention is to provide a kind of good heat dissipation effect, exempt from the LED lamp encapsulation structure of the strap bolt that welds in use.

The object of the present invention is achieved like this:

The LED lamp encapsulation structure of strap bolt, comprise LED wafer and electrode pin, be provided with pcb board and LED wafer on the top of bolt, be provided with the electrode pin of concentric circles annular at the lower surface of pcb board, electrode on the LED wafer is respectively with electrode pin or be electrically connected the pcb board on the electrode pin, bolt and LED wafer perspex sealing cover respectively with bolt and electrode pin.

The electrode pin of above-mentioned concentric circles annular and bolt are concentric circles, and the internal diameter of the inner ring of the electrode pin of concentric circles annular is greater than the external diameter of bolt.

Above-mentioned concentric circles annular electrode pin has a circle at least.

The top semicircular in shape of above-mentioned perspex sealing cover, a ring-shaped step is arranged at the bottom, and the bottom flushes with pcb board.

Above-mentioned bolt is that metal or the nonmetallic materials that good or thermal conductivity and electric conductivity are all good with thermal conductivity are made.

The electrode pin of above-mentioned concentric circles annular also can replace with the spring leaf of good conductivity, and spring leaf is arranged on the placement of the electrode pin of concentric circles annular.

The outstanding compared to existing technology advantage of the present invention is:

The present invention only needs use proper implements when using, with the bolted in the present invention an existing silk tooth, and the target base plate of the printing ring that coincide of prefabricated electrode retaining collar on, or see through substrate and directly be screwed on the radiator below the substrate just passable.Need not manual welding, therefore can abolish the operation of erection welding LED aborning, such benefit, can avoid LED in assembling process, to be subjected to static and welding high-temperature damage to greatest extent, and after the unified standard of both positive and negative polarity position, can thoroughly stop polarity and connect anti-possibility, bolt among the present invention also plays the effect of accumulation of heat and heat conduction simultaneously, tight and area is big because of the joint of itself and radiator portion, radiating effect is desirable more, also having a benefit is exactly that the situation that LED damages takes place, and need not soldering appliance, even maintenance that in the open air also can be easy and convenient is changed.

Description of drawings

Fig. 1 is the schematic perspective view of background technology;

Fig. 2 is a schematic perspective view of the present invention;

Fig. 3 is a cutaway view of the present invention;

Fig. 4 is the upward view of Fig. 3;

Fig. 5 is the cutaway view of second kind of structure of the present invention;

Fig. 6 is the cutaway view of the third structure of the present invention.

The specific embodiment

With specific embodiment also in conjunction with the accompanying drawings, the present invention is further described below:

Embodiment 1, referring to Fig. 2-4:

The LED lamp encapsulation structure of strap bolt, comprise LED wafer 20 and electrode pin 40, top at metal (generally selecting the copper or the aluminum material of good heat conductivity for use) bolt 60 is provided with pcb board 50 and LED wafer 20, the edge shape of pcb board 50 can be according to the shape of standard nut, perhaps be made into the special hole slot that can twist with the specific purpose tool of correspondence, be provided with the electrode pin 40 of two circle concentric circles annulars at the lower surface of pcb board 50, the quantity of annular electrode pin 40, can be according to the kind increase and decrease of packaged chip, electrode 30 on the LED wafer 20 is electrically connected with electrode pin 40 respectively, the pcb board 50 on the electrode pin 40, bolt 60 and LED wafer 20 usefulness perspex sealing covers 10.

The electrode pin 40 and the bolt 60 of above-mentioned concentric circles annular are concentric circles, and the internal diameter of the inner ring of the electrode pin 40 of concentric circles annular is greater than the external diameter of bolt 60.

The top semicircular in shape 11 of above-mentioned perspex cover 10, bottom have a ring-shaped step 12, and the bottom flushes with pcb board 50.

Above-mentioned bolt 60 is that metal or the nonmetallic materials that good or thermal conductivity and electric conductivity are all good with thermal conductivity are made.

The electrode pin 40 of above-mentioned concentric circles annular also can replace with the spring leaf of good conductivity, and spring leaf is arranged on the placement of the electrode pin of concentric circles annular.

Embodiment 2, referring to Fig. 5:

The structure of embodiment 2 is substantially the same manner as Example 1, difference is: electrode pin 40 has been made a circle, an electrode 30 of LED wafer 20 is electrically connected with bolt 60, bolt is used as one of them electrode pin herein, and another electrode 30 is electrically connected with the electrode pin 40 of annular.

Embodiment 3, referring to Fig. 6:

The structure of embodiment 3 is substantially the same manner as Example 1, and difference is: three electrodes 30 are arranged on the LED wafer 20, and an electrode 30 of LED wafer 20 is electrically connected with bolt 60, and two electrodes 30 are electrically connected with the electrode pin 40 of annular respectively in addition.

Certainly, electrode 30 quantity on the LED wafer 20 can be more, but no matter what, electrode 30 quantity on the LED wafer 20 should equate with the number of turns of the electrode pin 40 of annular or the number of spring leaf, or equate with bolt number sum, so that realize being electrically connected with the number of turns of electrode pin 40 or the number of spring leaf.

During application, the bolt among the present invention is tightened on has corresponding installation screw and connect on the circuit board of electricity ring, promptly install; When single LED lamp of the present invention damages, can screw off the LED lamp of damage, replace with new LED lamp, just can make the whole LED lamp as excellent as before, repair and replacement are convenient, do not need welding; Certainly, bolt can directly be tightened on bolt on the circuit board that is threaded the hole with being connected of circuit board, also bolt can be passed circuit board with holes, cooperated with bolt with nut the present invention is connected on the circuit board again.

The foregoing description is one of preferred embodiment of the present invention only, is not to limit protection scope of the present invention according to this, so: all equivalences of doing according to structure of the present invention, shape, principle change, and all should be covered by within protection scope of the present invention.

Claims

1, the LED lamp encapsulation structure of strap bolt, comprise LED wafer and electrode pin, it is characterized in that: be provided with pcb board and LED wafer on the top of bolt, be provided with the electrode pin of concentric circles annular at the lower surface of pcb board, electrode on the LED wafer is respectively with electrode pin or be electrically connected the pcb board on the electrode pin, bolt and LED wafer perspex sealing cover respectively with bolt and electrode pin.

2, according to the LED lamp encapsulation structure of the described strap bolt of claim 1, it is characterized in that: the electrode pin of described concentric circles annular and bolt are concentric circles, and the internal diameter of the inner ring of the electrode pin of concentric circles annular is greater than the external diameter of bolt.

3, according to the LED lamp encapsulation structure of the described strap bolt of claim 1, it is characterized in that: described concentric circles annular electrode pin has a circle at least.

4, according to the LED lamp encapsulation structure of the described strap bolt of claim 1, it is characterized in that: the top semicircular in shape of above-mentioned perspex sealing cover, a ring-shaped step is arranged at the bottom, the bottom flushes with pcb board.

5, according to the LED lamp encapsulation structure of the described strap bolt of claim 1, it is characterized in that: described bolt is that metal or the nonmetallic materials that good or thermal conductivity and electric conductivity are all good with thermal conductivity are made.

6, according to the LED lamp encapsulation structure of the described strap bolt of claim 1, it is characterized in that: the electrode pin of described concentric circles annular also can replace with the spring leaf of good conductivity, and spring leaf is arranged on the placement of the electrode pin of concentric circles annular.