CN209325441U - A kind of LED lamp bulb structure - Google Patents
A kind of LED lamp bulb structure Download PDFInfo
- Publication number
- CN209325441U CN209325441U CN201920035641.9U CN201920035641U CN209325441U CN 209325441 U CN209325441 U CN 209325441U CN 201920035641 U CN201920035641 U CN 201920035641U CN 209325441 U CN209325441 U CN 209325441U
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- China
- Prior art keywords
- rectifier bridge
- bridge stack
- radiating piece
- aluminium
- negative conductive
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a kind of LED lamp bulb structures, including LED light source board, radiator, lamp cap, LED light source board includes aluminum substrate, LED lamp bead and rectifier bridge stack, aluminium base plate surface includes pad, insulation layer and negative conductive area, LED lamp bead and rectifier bridge stack are welded at pad, radiator includes aluminium radiating piece and insulating heat-conductive part, lamp cap is mounted on radiator bottom end, LED light source board is mounted on radiator top, negative conductive area and aluminium radiating piece are directly abutted against together and connect with the negative conductive of rectifier bridge stack input terminal, lamp cap cathode is connected with aluminium radiating piece, lamp cap anode is connected by power supply line with rectifier bridge stack input anode, LED lamp bead both ends are connected with the positive and negative anodes of rectifier bridge stack output end respectively.Negative conductive area and aluminium radiating piece are directly abutted against together, and conduction can be realized without power supply line connection in the cathode portion of the bulb lamp, can reduce the overall dimensions of bulb lamp, while saving power supply line material.
Description
Technical field
The utility model relates to a kind of LED lamp bulb structures.
Background technique
Existing bulb lamp, rectifier bridge stack input anode are connected by power supply line with insurance resistance, and insurance resistance is again
It is connected by power supply line with lamp cap anode, rectifier bridge stack input cathode is connected with lamp cap cathode again by power supply line, lamp
The positive and negative anodes of head are separately connected with power positive cathode again, that is, the anode and cathode of rectifier bridge stack input terminal pass through power supply line
It is connected respectively with the positive and negative anodes of lamp cap, the power supply line in bulb lamp is more, it is larger to will lead to bulb lamp overall structure, and need people
Work is welded, higher cost, and working hour is longer.
Utility model content
The utility model provides a kind of LED lamp bulb structure, and which overcome the existing deficiencies of background technique.This reality
Used technical solution with novel its technical problem of solution is:
A kind of LED lamp bulb structure, it is characterised in that: it includes: LED light source board, radiator, lamp cap, LED light source board packet
Include aluminum substrate, LED lamp bead and rectifier bridge stack, aluminium base plate surface includes pad, insulation layer and negative conductive area, LED lamp bead and whole
Stream bridge heap is welded at pad, and radiator includes aluminium radiating piece and the insulating heat-conductive part for being socketed in aluminium radiating piece periphery, lamp cap
It is mounted on radiator bottom end, LED light source board is mounted on radiator top, and negative conductive area and aluminium radiating piece are directly abutted against together
And connect with the negative conductive of rectifier bridge stack input terminal, lamp cap cathode is connected with aluminium radiating piece, and lamp cap anode passes through power supply line
It is connected with rectifier bridge stack input anode, LED lamp bead both ends are connected with the positive and negative anodes of rectifier bridge stack output end respectively, electric current
Power supply line is flowed through from lamp cap anode and enters rectifier bridge stack, is flow to after rectifier bridge stack rectifies from rectifier bridge stack output head anode
Rectifier bridge stack negative pole of output end is flowed back to after LED lamp bead again, then passes through negative conductive area, aluminium from rectifier bridge stack input cathode again
Radiating piece flows back to lamp cap cathode.
Among one preferred embodiment: the negative conductive area extends to aluminum substrate periphery, and LED light source board is mounted on scattered
Negative conductive area directly rests on aluminium radiating piece top when hot device top.
Among one preferred embodiment: further including insurance resistance, the one end for insuring resistance is defeated by power supply line and rectifier bridge stack
Enter proper pole to be connected, the insurance resistance other end is connected by power supply line with lamp cap anode.
Among one preferred embodiment: both the aluminium radiating piece and insulating heat-conductive part are integrally formed and are truncated conical shape.
The technical program compared with the background art, it has the following advantages:
1. due to being provided with negative conductive area, rectifier bridge stack input cathode and negative conductive area on LED light source board surface
It is connected, negative conductive area and aluminium radiating piece are directly abutted against together, so that the cathode portion of the bulb lamp connects without power supply line
It connects and conduction can be realized, the overall dimensions of bulb lamp can be reduced, while saving power supply line material, improve production efficiency, reduce people
Work cost.
2. negative conductive area extends to aluminum substrate periphery, negative conductive area is allowed directly to rest on aluminium radiating piece
Top, connection type is simple, simple and reliable without additional connecting component.
3. both aluminium radiating piece and insulating heat-conductive part are integrally formed and are truncated conical shape, so that bulb lamp overall structure beauty
It sees, and insulating heat-conductive part can insulate to the conduction of aluminium radiating piece, to guarantee safety.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 depicts the structural schematic diagram on the LED light source board surface of a preferred embodiment.
Fig. 2 depicts the structural schematic diagram of the bulb lamp of a preferred embodiment.
Specific embodiment
Please refer to Fig. 1 to Fig. 2, an a kind of preferred embodiment of LED lamp bulb structure, a kind of LEDbulb lamp knot
Structure, it includes: LED light source board 10, radiator 20, lamp cap 30.
LED light source board 10 includes aluminum substrate, LED lamp bead 11 and rectifier bridge stack 12, and aluminium base plate surface includes pad, insulation layer
With negative conductive area 13, LED lamp bead 11 and rectifier bridge stack 12 are welded at pad.
Radiator 20 includes aluminium radiating piece 21 and the insulating heat-conductive part 22 for being socketed in 21 periphery of aluminium radiating piece.
LED light source board 10 is mounted on 20 top of radiator, and negative conductive area 13 and aluminium radiating piece 21 are directly abutted against together
And connect with the negative conductive of 12 input terminal of rectifier bridge stack, 11 both ends of LED lamp bead are positive and negative with 12 output end of rectifier bridge stack respectively
Pole is connected.
Lamp cap 30 is mounted on 20 bottom end of radiator, and 30 cathode of lamp cap is connected with aluminium radiating piece 21, and 30 anode of lamp cap passes through
Power supply line is connected with 12 input anode of rectifier bridge stack, and electric current flows through power supply line from 30 anode of lamp cap and enters rectifier bridge stack 12,
Rectifier bridge stack 12 is flowed back to again after flowing to LED lamp bead 11 from 12 output head anode of rectifier bridge stack after the rectification of rectifier bridge stack 12 to export
Cathode is held, then flows back to 30 cathode of lamp cap from 12 input cathode of rectifier bridge stack by negative conductive area 13, aluminium radiating piece 21 again.
Due to being provided with negative conductive area 13,12 input cathode of rectifier bridge stack and 13 phase of negative conductive area on 10 surface of LED light source board
Connection, negative conductive area 13 and aluminium radiating piece 21 are directly abutted against together, so that the cathode portion of the bulb lamp is not necessarily to power supply line
Conduction can be realized in connection, can reduce the overall dimensions of bulb lamp, while saving power supply line material, improves production efficiency, reduces
Cost of labor.
In the present embodiment, aluminum substrate includes aluminum base layer, epoxy resin layer, conductive layer and aluminum substrate superficial layer from bottom to top,
Negative conductive area 13 is connected by the partially electronically conductive route 14 of conductive layer with 12 input cathode of rectifier bridge stack.
In the present embodiment, the negative conductive area 13 extends to aluminum substrate periphery, and LED light source board 10 is mounted on heat dissipation
Negative conductive area 13 directly rests on 21 top of aluminium radiating piece when 20 top of device.Negative conductive area 13 extends to outside aluminium base plate surface
Week negative conductive area 13 is allowed directly to rest on 21 top of aluminium radiating piece, connection type is simple, without additional interconnecting piece
Part, it is simple and reliable.
It further include insurance resistance 15 in the present embodiment, one end of insurance resistance 15 is defeated by power supply line and rectifier bridge stack 12
Enter proper pole to be connected, insurance 15 other end of resistance is connected by power supply line with 30 anode of lamp cap.
In the present embodiment, both the aluminium radiating piece 21 and insulating heat-conductive part 22 are integrally formed and are truncated conical shape.Aluminium
Both radiating piece 21 and insulating heat-conductive part 22 are integrally formed and are truncated conical shape, so that bulb lamp overall structure is beautiful, and absolutely
Edge heat-conducting piece 22 can insulate to the conduction of aluminium radiating piece 21, to guarantee safety.
The above, only the utility model preferred embodiment, therefore, it cannot be limited according to, and the utility model is implemented
It is practical new to should still belong to this for range, i.e., equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual
In the range of type covers.
Claims (4)
1. a kind of LED lamp bulb structure, it is characterised in that: it includes: LED light source board, radiator, lamp cap, and LED light source board includes
Aluminum substrate, LED lamp bead and rectifier bridge stack, aluminium base plate surface include pad, insulation layer and negative conductive area, LED lamp bead and rectification
Bridge heap is welded at pad, and radiator includes aluminium radiating piece and the insulating heat-conductive part for being socketed in aluminium radiating piece periphery, lamp cap peace
Mounted in radiator bottom end, LED light source board is mounted on radiator top, negative conductive area and aluminium radiating piece be directly abutted against together and
Connect with the negative conductive of rectifier bridge stack input terminal, lamp cap cathode is connected with aluminium radiating piece, lamp cap anode by power supply line with
Rectifier bridge stack input anode is connected, and LED lamp bead both ends are connected with the positive and negative anodes of rectifier bridge stack output end respectively, electric current from
Lamp cap anode flows through power supply line and enters rectifier bridge stack, flow to LED from rectifier bridge stack output head anode after rectifier bridge stack rectifies
Rectifier bridge stack negative pole of output end is flowed back to after lamp bead again, is then dissipated again from rectifier bridge stack input cathode by negative conductive area, aluminium
Warmware flows back to lamp cap cathode.
2. a kind of LED lamp bulb structure according to claim 1, it is characterised in that: the negative conductive area extends to aluminium
Substrate surface periphery, negative conductive area directly rests on aluminium radiating piece top when LED light source board is mounted on radiator top.
3. a kind of LED lamp bulb structure according to claim 2, it is characterised in that: further include insurance resistance, insure resistance
One end be connected by power supply line with rectifier bridge stack input anode, insurance the resistance other end by power supply line and lamp cap anode
It is connected.
4. a kind of LED lamp bulb structure according to claim 2, it is characterised in that: the aluminium radiating piece and insulating heat-conductive
Both parts are integrally formed and are truncated conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920035641.9U CN209325441U (en) | 2019-01-09 | 2019-01-09 | A kind of LED lamp bulb structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920035641.9U CN209325441U (en) | 2019-01-09 | 2019-01-09 | A kind of LED lamp bulb structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325441U true CN209325441U (en) | 2019-08-30 |
Family
ID=67730940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920035641.9U Active CN209325441U (en) | 2019-01-09 | 2019-01-09 | A kind of LED lamp bulb structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209325441U (en) |
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2019
- 2019-01-09 CN CN201920035641.9U patent/CN209325441U/en active Active
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