CN103486473A - LED (light emitting diode) bulb lamp - Google Patents

LED (light emitting diode) bulb lamp Download PDF

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Publication number
CN103486473A
CN103486473A CN201310434954.9A CN201310434954A CN103486473A CN 103486473 A CN103486473 A CN 103486473A CN 201310434954 A CN201310434954 A CN 201310434954A CN 103486473 A CN103486473 A CN 103486473A
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China
Prior art keywords
double
contact pin
hole
driving
pcb board
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Granted
Application number
CN201310434954.9A
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Chinese (zh)
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CN103486473B (en
Inventor
李阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Yangguang Meijia Lighting Co Ltd
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Zhejiang Yankon Group Co Ltd
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Priority to CN201310434954.9A priority Critical patent/CN103486473B/en
Publication of CN103486473A publication Critical patent/CN103486473A/en
Application granted granted Critical
Publication of CN103486473B publication Critical patent/CN103486473B/en
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Abstract

The invention discloses an LED bulb lamp. The LED bulb lamp comprises a driving power module and an LED light source module, wherein the driving power module is composed of a driving PCB (printed circuit board) and elements connected to the driving PCB, and the LED light source module is composed of an aluminum substrate and LED beads. A positive voltage output bonding pad of the driving PCB is welded with a first pin, and a negative voltage output bonding pad of the driving PCB is welded with a second pin; a double-faced PCB is adhered to the front surface of the aluminum substrate, a positive voltage input bonding pad on the front surface of the double-faced PCB is welded with the other end of the first pin, and the negative voltage input bonding pad on the front surface of the double-faced PCB is welded with the other end of the second pin; wires which connected all the LED beads in series are distributed on the front surface of the aluminum substrate, and the ends of the wires are respectively connected with a positive voltage output end and a negative voltage output end on the back surface of the double-faced PCB. The LED bulb lamp has the advantages that the first pin and the second pin connect the driving PCB and the double-faced PCB and are welded with the PCB boards rapidly and reliably, so that the occurrence rate of the problem that defective products with faulty welding is prone to occurring due to welding difficulty caused by rapid head dissipation of the aluminum substrate can be reduced.

Description

A kind of LED bulb lamp
Technical field
The present invention relates to a kind of light fixture, especially relate to a kind of LED bulb lamp.
Background technology
Along with the high speed development of LED lighting engineering, more and more LED that use are as lighting source.In order to cut the waste, to utilize existing interface to replace traditional room lighting and also in succession arise at the historic moment with the LED bulb lamp of incandescent lamp.
Generally, the LED bulb lamp comprises LED light source assembly and driving power assembly two large divisions, the LED light source assembly usually by aluminium base and a lip-deep plurality of LEDs lamp pearl that directly is affixed on aluminium base form, the centre of aluminium base is provided with can be through the through wires hole of power line, be provided with positive voltage input pad and negative voltage input pad on another surface of aluminium base, the driving power assembly is comprised of driving PCB plate (FR-4 plate) and the components and parts that are installed on the driving PCB plate usually, lead to positive voltage output line (flexible cord) and negative voltage output line (flexible cord) on the driving PCB plate.This LED bulb lamp is when assembly connection LED light source assembly and driving power assembly, the positive voltage output line (flexible cord) of drawing on the driving PCB plate posts a surface another surface and welding of positive voltage input pad through aluminium base by through wires hole of LED lamp pearl from aluminium base, the negative voltage output line (flexible cord) of drawing on same driving PCB plate posts the surface of LED lamp pearl and welds with the negative voltage input pad through another surface of aluminium base by through wires hole from aluminium base.Yet, because the thermal conductivity factor of aluminium base is far longer than the thermal conductivity factor of driving PCB plate (FR-4 plate), that is to say, because the radiating rate of aluminium base is far longer than the FR-4 plate, on aluminium base, bonding wire is more than bonding wire difficulty on FR-4, therefore on aluminium base bonding wire not only speed of welding is slow, and can cause welding unreliable, cause rosin joint etc., the utmost point is unfavorable for the raising of productivity ratio and the control of defective products like this; On the other hand, because the positive voltage output line on the driving power assembly and negative voltage output line are flexible cord, need this process of threading during bonding wire, therefore can affect connection speed to a certain extent, thereby affect productivity ratio.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of LED bulb lamp, and between its driving power assembly and LED light source assembly, not only connection speed is fast, and connects reliable.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of LED bulb lamp, comprise driving power assembly and LED light source assembly, described driving power assembly is comprised of driving PCB plate and the components and parts that are connected on described driving PCB plate, described LED light source assembly by aluminium base and the plurality of LEDs lamp pearl directly be affixed on the front of described aluminium base form, it is characterized in that being welded with the first contact pin on the positive voltage o pads on described driving PCB plate, be welded with the second contact pin on negative voltage o pads on described driving PCB plate, post double-sided PCB board on the front of described aluminium base, positive voltage input pad on the front of described double-sided PCB board and the welding of the other end of described the first contact pin, negative voltage input pad on the front of described double-sided PCB board and the welding of the other end of described the second contact pin, be placed with the cabling of all described LED lamp pearls of serial connection on the front of described aluminium base, one end of described cabling is electrically connected to the positive voltage output end on the back side of described double-sided PCB board, the other end of described cabling is electrically connected to the negative voltage output on the back side of described double-sided PCB board.
Offer through hole on described aluminium base, offer two holes of threading a needle that all communicate with described through hole on described double-sided PCB board, the other end of described the first contact pin is through the welding of the positive voltage input pad on the front of described through hole and one of them described thread a needle hole and described double-sided PCB board, and the other end of described the second contact pin is through the welding of the negative voltage input pad on the front of described through hole and another described thread a needle hole and described double-sided PCB board; At this, by offer a through hole on aluminium base, and offer two through wires holes that all communicate with through hole on double-sided PCB board, such the first contact pin and the second contact pin can be directly through the pad welding on through hole and thread a needle hole and double-sided PCB board.
Two described holes of threading a needle are positioned at the elongated area of described through hole fully, can make like this two holes of threading a needle unobstructed.
The described hole of threading a needle is long trough; At this, the hole of threading a needle is designed to long trough, even the spacing between the first contact pin and the second contact pin exists error also can insert respectively in the hole of threading a needle easily like this.
The model of described double-sided PCB board is FR-4.
Offer two contact pins on described driving PCB plate and pass into hole, one end of described the first contact pin passes into the positive voltage o pads welding on the back side of hole and described driving PCB plate through one of them described contact pin, and the negative voltage o pads that an end of described the second contact pin passes into through another described contact pin on the back side of hole and described driving PCB plate welds.
Described the first contact pin and described the second contact pin are L-type.
Compared with prior art, the invention has the advantages that: by first contact pin of welding on the positive voltage o pads on the driving PCB plate, second contact pin of welding on negative voltage o pads on the driving PCB plate, double-sided PCB board is sticked on the front of aluminium base, arrange on the front of aluminium base and be connected in series the cabling of all LED lamp pearls, and the positive voltage input pad on the front of welding double-sided PCB board and the other end of the first contact pin, negative voltage input pad on the front of welding double-sided PCB board and the other end of the second contact pin, such the first contact pin has been connected driving PCB plate and double-sided PCB board with the second contact pin, and weld not only with pcb board, speed of welding is fast, and welding is reliable, the driving PCB plate that has solved existing LED bulb lamp welds insecure problem by flexible cord and aluminium base, thereby effectively reduced the bonding wire difficulty caused due to the aluminium base rapid heat dissipation and easily produced the incidence of the defective products such as rosin joint, thereby property convenient for production and the Product Safety of LED bulb lamp have more effectively been brought into play.
The accompanying drawing explanation
Fig. 1 is driving power assembly in LED bulb lamp of the present invention and the connection schematic perspective view one of LED light source assembly;
Fig. 2 is driving power assembly in LED bulb lamp of the present invention and the connection schematic perspective view two of LED light source assembly;
Fig. 3 is driving power assembly in LED bulb lamp of the present invention and the connection front elevational schematic of LED light source assembly;
The schematic diagram that Fig. 4 is the front of double-sided PCB board after insertion the first contact pin and the second contact pin.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
A kind of LED bulb lamp that the present invention proposes, as shown in the figure, it comprises driving power assembly 1 and LED light source assembly 2, driving power assembly 1 is by driving PCB plate 11(FR-4 type single face pcb board) and the components and parts 12 that are connected on the front of driving PCB plate 11 form, LED light source assembly 2 is comprised of aluminium base 21 and the plurality of LEDs lamp pearl (not shown) that directly is affixed on the front of aluminium base 21, offer two contact pins on driving PCB plate 11 and pass into the hole (not shown), one of them contact pin passes in hole and is inserted with the first contact pin 3 that is L-type, another contact pin passes in hole and is inserted with the second contact pin 4 that is L-type, the positive voltage o pads that one end of the first contact pin 3 passes on the back side of hole and driving PCB plate 11 through one of them contact pin welds, the negative voltage o pads that one end of the second contact pin 4 passes on the back side of hole and driving PCB plate 11 through another contact pin welds, need the spacing that keeps certain between the first contact pin 3 and the second contact pin 4, offer through hole 211 on the centre position of aluminium base 21, the double-sided PCB board 22 that to post model on the positive centre position of aluminium base 21 be FR-4, offer two holes 222 of threading a needle that all communicate with through hole 211 on double-sided PCB board 22, the other end of the first contact pin 3 is threaded a needle hole directly and the welding of the positive voltage input pad on the front of double-sided PCB board 22 through through hole 211 and one of them, the other end of the second contact pin 4 is threaded a needle hole directly and the welding of the negative voltage input pad on the front of double-sided PCB board 22 through through hole 211 and another, be placed with the cabling (not shown) that (being printed with) is connected in series all LED lamp pearls on the front of aluminium base 21, one end of cabling is electrically connected to the positive voltage output end on the back side of double-sided PCB board 22, negative voltage output on the back side of the other end of cabling and double-sided PCB board 22 is electrically connected to.
In the present embodiment, offer two and should consider the spacing between the first contact pin 3 and the second contact pin 4 while threading a needle hole 222 on double-sided PCB board 22, and should make while on aluminium base 21, offering through hole 211 double-sided PCB board 22 directly be affixed on the elongated area that latter two hole 222 of threading a needle on the front of aluminium base 21 is positioned at through hole 211 fully, can make like this two holes 222 of threading a needle block without any, facilitate the first contact pin 3 and the second contact pin 4 to insert in the hole 222 of threading a needle respectively by through hole 211.
In the present embodiment, the hole 222 of threading a needle can be designed to long trough, even the spacing between the first contact pin 3 and the second contact pin 4 exists error also can insert respectively easily in the hole 222 of threading a needle like this.
In the present embodiment, the back side of double-sided PCB board 22 is directly to be attached on the positive centre position of aluminium base 21, as LED lamp pearl is affixed on the front of aluminium base 21, adopt again wave-soldering technique, an end that makes the cabling on the front that is printed in aluminium base 21 is electrically connected to the positive voltage output end on the back side of double-sided PCB board 22, negative voltage output on the back side of the other end of cabling and double-sided PCB board 22 is electrically connected to, guide hole on double-sided PCB board 22 is electrically connected to the front and back of double-sided PCB board 22, positive voltage input pad welding on the front of the other end of such the first contact pin 3 and double-sided PCB board 22, and after the welding of the negative voltage input pad on the front of the other end of the second contact pin 4 and double-sided PCB board 22, in fact with the cabling (wiring) on the front that is printed in aluminium base 21, be electrically connected to, further in fact made driving power be electrically connected to LED lamp pearl.

Claims (7)

1. a LED bulb lamp, comprise driving power assembly and LED light source assembly, described driving power assembly is comprised of driving PCB plate and the components and parts that are connected on described driving PCB plate, described LED light source assembly by aluminium base and the plurality of LEDs lamp pearl directly be affixed on the front of described aluminium base form, it is characterized in that being welded with the first contact pin on the positive voltage o pads on described driving PCB plate, be welded with the second contact pin on negative voltage o pads on described driving PCB plate, post double-sided PCB board on the front of described aluminium base, positive voltage input pad on the front of described double-sided PCB board and the welding of the other end of described the first contact pin, negative voltage input pad on the front of described double-sided PCB board and the welding of the other end of described the second contact pin, be placed with the cabling of all described LED lamp pearls of serial connection on the front of described aluminium base, one end of described cabling is electrically connected to the positive voltage output end on the back side of described double-sided PCB board, the other end of described cabling is electrically connected to the negative voltage output on the back side of described double-sided PCB board.
2. a kind of LED bulb lamp according to claim 1, it is characterized in that offering through hole on described aluminium base, offer two holes of threading a needle that all communicate with described through hole on described double-sided PCB board, the other end of described the first contact pin is through the welding of the positive voltage input pad on the front of described through hole and one of them described thread a needle hole and described double-sided PCB board, and the other end of described the second contact pin is through the welding of the negative voltage input pad on the front of described through hole and another described thread a needle hole and described double-sided PCB board.
3. a kind of LED bulb lamp according to claim 2, is characterized in that two described holes of threading a needle are positioned at the elongated area of described through hole fully.
4. a kind of LED bulb lamp according to claim 3, is characterized in that the described hole of threading a needle is long trough.
5. according to the described a kind of LED bulb lamp of any one in claim 1 to 4, the model that it is characterized in that described double-sided PCB board is FR-4.
6. a kind of LED bulb lamp according to claim 5, it is characterized in that on described driving PCB plate that offering two contact pins passes into hole, one end of described the first contact pin passes into the positive voltage o pads welding on the back side of hole and described driving PCB plate through one of them described contact pin, and the negative voltage o pads that an end of described the second contact pin passes into through another described contact pin on the back side of hole and described driving PCB plate welds.
7. a kind of LED bulb lamp according to claim 6, is characterized in that described the first contact pin and described the second contact pin are L-type.
CN201310434954.9A 2013-09-23 2013-09-23 LED (light emitting diode) bulb lamp Active CN103486473B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310434954.9A CN103486473B (en) 2013-09-23 2013-09-23 LED (light emitting diode) bulb lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310434954.9A CN103486473B (en) 2013-09-23 2013-09-23 LED (light emitting diode) bulb lamp

Publications (2)

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CN103486473A true CN103486473A (en) 2014-01-01
CN103486473B CN103486473B (en) 2015-06-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633618A (en) * 2015-01-30 2015-05-20 木林森股份有限公司 Electric connecting structure and assembling method of LED lamp panel and power panel and lamp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453729A (en) * 1993-07-28 1995-09-26 Chu; Chiu-Tsai Solar warning light
JP2007158242A (en) * 2005-12-08 2007-06-21 Stanley Electric Co Ltd Led light source device
CN101893212A (en) * 2009-05-21 2010-11-24 沈育浓 Packaging body for luminous source
CN203489057U (en) * 2013-09-23 2014-03-19 浙江阳光照明电器集团股份有限公司 LED bulb lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453729A (en) * 1993-07-28 1995-09-26 Chu; Chiu-Tsai Solar warning light
JP2007158242A (en) * 2005-12-08 2007-06-21 Stanley Electric Co Ltd Led light source device
CN101893212A (en) * 2009-05-21 2010-11-24 沈育浓 Packaging body for luminous source
CN203489057U (en) * 2013-09-23 2014-03-19 浙江阳光照明电器集团股份有限公司 LED bulb lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633618A (en) * 2015-01-30 2015-05-20 木林森股份有限公司 Electric connecting structure and assembling method of LED lamp panel and power panel and lamp
CN104633618B (en) * 2015-01-30 2018-09-18 木林森股份有限公司 A kind of electric connection structure, assembly method and the lamps and lanterns of LED lamp panel and power panel

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Effective date of registration: 20151127

Address after: 312300 Zhejiang Province, Shaoxing city Shangyu District of Tongjiang City Street Road No. 208

Patentee after: ZHEJIANG SUNSHINE MEIJIA LIGHTING CO., LTD.

Address before: 312300 Fengshan Road, Shangyu, Zhejiang, No. 485, No.

Patentee before: Zhejiang Yankon Lighting Electrical Group Co., Ltd.

C41 Transfer of patent application or patent right or utility model