CN201003702Y - LED lamp bulb structure - Google Patents

LED lamp bulb structure Download PDF

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Publication number
CN201003702Y
CN201003702Y CNU2007200339336U CN200720033933U CN201003702Y CN 201003702 Y CN201003702 Y CN 201003702Y CN U2007200339336 U CNU2007200339336 U CN U2007200339336U CN 200720033933 U CN200720033933 U CN 200720033933U CN 201003702 Y CN201003702 Y CN 201003702Y
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CN
China
Prior art keywords
led bulb
led
bridge
bulb
rectifier
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007200339336U
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Chinese (zh)
Inventor
张龙平
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张龙平
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Priority to CNU2007200339336U priority Critical patent/CN201003702Y/en
Application granted granted Critical
Publication of CN201003702Y publication Critical patent/CN201003702Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a LED bulb structure, which comprises a plurality of serially connected LED bulbs(1) and a light seat(2) corresponding to the former; wherein the LED bulb(1) is provided with a rectifier diode(4) or a rectifier diode chip(6); wherein the LED bulb(1) and the rectifier diode(4) or the LED bulb(1) and the rectifier diode chip(6) are connected through the circuits, while the LED bulb(1) and the rectifier diode(4) or the LED bulb(1) and the rectifier diode chip(6) are fixed into a whole. By adopting the technical proposal, the connection circuit in the LED bulb can be no longer provided with a rectification circuit, thus making the structure more reliable and safe, the processing assembly more convenient, and improving the production rate and reducing the production cost.

Description

A kind of LED bulb structure
Technical field
The utility model relates to decorative chain, electric light source, and more particularly, the utility model relates to a kind of LED bulb structure.
Background technology
At present, the scope of application of LED more and more widely because LED itself has characteristics such as direct current, low current, energy-saving and environmental protection and safety.For the condition of the good use that keeps LED, need to adopt DC circuit, therefore generally all to use rectification circuit.In actual use, constituting bridge rectifier by commutation diode and bridge heap is the most frequently used method.Because need to adapt to various environment for use, adding bridge rectifier must be closed loop circuit, tie point is more, and therefore in the occasion of multiloop, long distance, its connection is very inconvenient.The mode of production of existing LED is as follows:
1, passes through rectifying tube or the moulding of rectifier bridge injection molding type.When annotating, the mould beer has two shortcomings: the one, locating hole must be arranged, and easily cause and leak, leak electricity; The 2nd, the zero live wire that the high temperature and high pressure during injection closes close together is easily connected together by impact extrusion, produce short circuit risk, and the rate that manufactures a finished product is low, and soft danger is big.Because of power supply zero live wire connects simultaneously, it is dangerous that appearance and size is little, neither attractive in appearance when appearance and size is big, again waste material.
2, when plug was assembled, plug cord was longer, waste material, and assembling is inconvenient, can not be suitable for non-packaging plug, can only handle by above-mentioned the 1st kind of method again when connecting more than two strings.
Though more existing disclosed technology, product or data improve to some extent to LED bulb and connecting circuit thereof, all fundamentally do not solve problem recited above.
The utility model content
Problem to be solved in the utility model provides a kind of LED bulb structure, its objective is to be implemented in directly alternating current to be changed into direct current on the LED bulb and can be connected in series LED lamp string continuously.
To achieve these goals, the technical scheme that the utility model is taked is: this LED bulb structure that is provided, comprise a plurality of LED bulbs and corresponding lamp socket that polyphone connects, on described LED bulb, be provided with commutation diode or be provided with rectifier diode chip, for circuit is connected, described LED bulb and commutation diode or LED bulb and rectifier diode chip are fixing as a whole between LED bulb and the commutation diode or between LED bulb and the rectifier diode chip.
In described LED bulb structure, LED bulb and printed circuit board (PCB) are welded to connect, and have fixed two commutation diodes on printed circuit board (PCB).
Establish the led chip support in the described LED bulb, described commutation diode is two rectifier diode chips, described led chip support and rectifier diode chip all are welded on the printed circuit board (PCB), and it is that transparent casing is with its overall package that a complete LED bulb is established in the outside of said structure.
LED bulb and commutation diode in the described rectification LED bulb structure are Y-connection, connected mode is two kinds, the LED in a kind of LED bulb and the conducting direction of the commutation diode that is connected are all towards LED, constitute the forward half-bridge of bridge rectifier, the LED in a kind of LED bulb and the conducting direction of the commutation diode that is connected are all towards commutation diode, constitute the reverse half-bridge of bridge rectifier, a forward half-bridge and a reverse half-bridge constitute a bridge rectifier full-bridge.
The connected mode of LED bulb in the connecting circuit of rectification LED is: described lamp socket is soft head and the combination of soft core.
The connected mode of LED bulb in the connecting circuit of rectification LED is: the lead-in wire of LED bulb adopts hyaline test to be connected with shell, and LED bulb and insulated column is sealed fully with the insulated column suit of insulation.
In the connecting circuit of described rectification LED bulb, also be serially connected with the dropping resistor of landing low-voltage effect.
The utility model adopts technique scheme, and make in the connecting circuit of LED bulb rectification circuit is set no longer in addition, more reliable, the safety of structure, the processing assembling is more convenient, enhances productivity, and has reduced production cost.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of second embodiment of the present utility model;
Fig. 3 is the structural representation of forward half-bridge among the 3rd embodiment of the present utility model;
Fig. 4 is the structural representation of reverse half-bridge among the 3rd embodiment of the present utility model;
Fig. 5 is the syndeton schematic diagram of the dropping resistor among bridge rectifier full-bridge and the 6th embodiment among the 3rd embodiment of the present utility model;
Fig. 6 is the structural representation of the 4th embodiment of the present utility model;
Fig. 7 is the structural representation of the 5th embodiment of the present utility model.
Be labeled as among the figure: 1, LED bulb, 2, lamp socket, 3, printed circuit board (PCB), 4, commutation diode, 5, the led chip support, 6, rectifier diode chip, 7, forward half-bridge, 8, reverse half-bridge, 9, the bridge rectifier full-bridge, 10, LED bulb, 11, soft head, 12, soft core, 13, insulated column, 14, hyaline test, 15, shell, 16, dropping resistor, 17, bonnet.
The specific embodiment
The of the present utility model structure expressed as each schematic diagram among Fig. 1 to Fig. 7, the utility model is a kind of LED bulb structure, comprise a plurality of LED bulbs 1, lamp socket 2 that polyphone connects, LED bulb 1 generally all adopts the direct current of reduced-current as power supply, its power consumption is little, security is good, and illumination effect is good, often as decorative lamp.Circuit connecting mode commonly used is to constitute bridge rectifier by commutation diode and bridge heap, and the DC circuit polyphone connects a plurality of LED bulbs 1 in succession then.
The utility model is in order to be implemented in the purpose that directly changes alternating current into direct current on the LED bulb and can even be inserted into LED lamp string, taked following technical scheme: as shown in Figure 1 and Figure 2, on described LED bulb 1, be provided with commutation diode 4 or be provided with rectifier diode chip 6, for circuit is connected, described LED bulb 1 is fixing as a whole with rectifier diode chip 6 with commutation diode 4 or LED bulb 1 between LED bulb 1 and the commutation diode 4 or between LED bulb 1 and the rectifier diode chip 6.Aforesaid way makes in the connecting circuit of LED bulb rectification circuit is set no longer in addition, more reliable, the safety of structure, and the processing assembling is more convenient.
The utility model in the specific implementation, first embodiment that adopts is for this reason:
As shown in Figure 1, in described LED bulb structure, LED bulb 1 is welded to connect with printed circuit board (PCB) 3, has fixed two commutation diodes 4 on printed circuit board (PCB) 3.LED bulb 1 is welded on the printed circuit board (PCB) 3 (PCB) that commutation diode 4 is housed, has three legs to extend out, welding foot is cut off, and carries out the secondary encapsulation then.
As with the difference of first embodiment, second embodiment of the present utility model is:
As shown in Figure 2, establish led chip support 5 in the described LED bulb 1, described commutation diode 4 is two rectifier diode chips 6, described led chip support 5 and rectifier diode chip 6 all are welded on the printed circuit board (PCB) 3, and it is that transparent casing is with its overall package that a complete LED bulb 10 is established in the outside of said structure.Wherein, rectifier diode chip 6 can be a paster.
On the basis of the different embodiment of above-mentioned LED bulb 1, the utility model utilization has the connecting circuit of the LED bulb 1 of commutation diode 4, has proposed the 3rd embodiment:
As Fig. 3, Fig. 4 and shown in Figure 5, in order to utilize LED bulb 1 and commutation diode 4 to form bridge rectifier, LED bulb 1 and commutation diode 4 in the rectification LED bulb structure described in the utility model are Y-connection, connected mode is two kinds, the LED in a kind of LED bulb 1 and the conducting direction of the commutation diode 4 that is connected are all towards LED, constitute the forward half-bridge 7 of bridge rectifier, the LED in a kind of LED bulb 1 and the conducting direction of the commutation diode 4 that is connected are all towards commutation diode 4,8, one forward half-bridges 7 of reverse half-bridge and a reverse half-bridge 8 of constituting bridge rectifier constitute a bridge rectifier full-bridge 9.Then, a plurality of bridge circuits can form the bulb string of LED.
On the basis of the various embodiments described above, the utility model has proposed the 4th embodiment for solving the problem of connecting circuit:
As shown in Figure 6, the connected mode of LED bulb in the connecting circuit of rectification LED is: described lamp socket 2 is soft 11 and 12 combinations of soft core.Power supply main line spur copper sheet, the common copper sheet in loop is placed on 12 combinations of soft 11 and soft core in the groove of chamfering fixingly, and bonnet 17 fastenings of latch closure shape are adopted in the back.Also can adopt the encapsulation of beer notes form.
As with the 4th the different difference of embodiment, the utility model has proposed the 5th embodiment again:
As shown in Figure 7, the connected mode of LED bulb in the connecting circuit of rectification LED is welded type: the lead-in wire of LED bulb 1 adopts hyaline test 14 and shell 15 welding with insulated column 13 suits of insulation, and LED bulb 1 and insulated column 13 are sealed fully.
The utility model is further to optimize circuit structure design, realizes the step-down of circuit, the various embodiments described above is further improved the 6th embodiment that is proposed be:
As shown in Figure 5, in the connecting circuit of described rectification LED bulb, also be serially connected with the dropping resistor 16 of landing low-voltage effect.The serial connection quantity of dropping resistor 16 and the size of resistance in circuit are determined according to the quantity of the LED bulb 1 of the actual needs of the voltage of circuit and LED bulb string.
Because the electric current of the single cluster of lamps, ornamental string of LED is very little, power consumption is very low, assembles hell to pay with dispersive element, and large-scale production is very inconvenient, by the mode that above-described each embodiment explained, can use aborning easily, a plurality of LED elements are integrated, the connection that has ensured node is stable, simultaneously processing technology is concentrated, follow-up packaging technology obtains simplifying, and reduces production process, enhance productivity, reduced production cost.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technical scheme to carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.

Claims (7)

1, a kind of LED bulb structure, comprise a plurality of LED bulbs (1) and corresponding lamp socket (2) that polyphone connects, it is characterized in that: on described LED bulb (1), be provided with commutation diode (4) or be provided with rectifier diode chip (6), for circuit is connected, described LED bulb (1) is fixing as a whole with rectifier diode chip (6) with commutation diode (4) or LED bulb (1) between LED bulb (1) and the commutation diode (4) or between LED bulb (1) and the rectifier diode chip (6).
2, according to the described LED bulb structure of claim 1, it is characterized in that: in described LED bulb structure, LED bulb (1) is welded to connect with printed circuit board (PCB) (3), has fixed two commutation diodes (4) on printed circuit board (PCB) (3).
3, according to the described LED bulb structure of claim 1, it is characterized in that: establish led chip support (5) in the described LED bulb (1), described commutation diode (4) is two rectifier diode chips (6), described led chip support (5) and rectifier diode chip (6) all are weldingly fixed on the printed circuit board (PCB) (3), and it is that transparent casing is with its overall package that a complete LED bulb (10) is established in the outside of said structure.
4, according to claim 1 or 2 or 3 described LED bulb structures, it is characterized in that: LED bulb (1) and commutation diode (4) in the described rectification LED bulb structure are Y-connection, connected mode is two kinds, the LED in a kind of LED bulb (1) and the conducting direction of the commutation diode that is connected (4) are all towards LED, constitute the forward half-bridge (7) of bridge rectifier, the LED in a kind of LED bulb (1) and the conducting direction of the commutation diode that is connected (4) are all towards commutation diode (4), constitute the reverse half-bridge (8) of bridge rectifier, a forward half-bridge (7) and a reverse half-bridge (8) constitute a bridge rectifier full-bridge (9).
5, according to the described LED bulb structure of claim 4, it is characterized in that: the connected mode of LED bulb in the connecting circuit of rectification LED is: described lamp socket (2) is soft head (11) and soft core (12) combination.
6, according to the described LED bulb structure of claim 4, it is characterized in that: the connected mode of LED bulb in the connecting circuit of rectification LED is: the lead-in wire of LED bulb (1) insulated column (13) suit of insulation, adopt hyaline test (14) to be connected, and LED bulb (1) and insulated column (13) are sealed fully with shell (15).
7, according to claim 5 or 6 described LED bulb structures, it is characterized in that: in the connecting circuit of described rectification LED bulb, also be serially connected with the dropping resistor (16) of landing low-voltage effect.
CNU2007200339336U 2007-01-29 2007-01-29 LED lamp bulb structure Expired - Fee Related CN201003702Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200339336U CN201003702Y (en) 2007-01-29 2007-01-29 LED lamp bulb structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200339336U CN201003702Y (en) 2007-01-29 2007-01-29 LED lamp bulb structure

Publications (1)

Publication Number Publication Date
CN201003702Y true CN201003702Y (en) 2008-01-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200339336U Expired - Fee Related CN201003702Y (en) 2007-01-29 2007-01-29 LED lamp bulb structure

Country Status (1)

Country Link
CN (1) CN201003702Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8487518B2 (en) 2010-12-06 2013-07-16 3M Innovative Properties Company Solid state light with optical guide and integrated thermal guide
US8596825B2 (en) 2009-08-04 2013-12-03 3M Innovative Properties Company Solid state light with optical guide and integrated thermal guide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8596825B2 (en) 2009-08-04 2013-12-03 3M Innovative Properties Company Solid state light with optical guide and integrated thermal guide
US8487518B2 (en) 2010-12-06 2013-07-16 3M Innovative Properties Company Solid state light with optical guide and integrated thermal guide

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080109

Termination date: 20110129