CN201639810U - Led driving power supply - Google Patents
Led driving power supply Download PDFInfo
- Publication number
- CN201639810U CN201639810U CN2010201174633U CN201020117463U CN201639810U CN 201639810 U CN201639810 U CN 201639810U CN 2010201174633 U CN2010201174633 U CN 2010201174633U CN 201020117463 U CN201020117463 U CN 201020117463U CN 201639810 U CN201639810 U CN 201639810U
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- China
- Prior art keywords
- circuit board
- driving power
- circuit
- transformer
- led driving
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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 - Lifetime
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Abstract
The utility model relates to a driving power supply, in particular to a driving power supply which comprises a transformer and is used for an LED lighting system. The driving power supply comprises the transformer and a circuit board; and the circuit board is provided with a secondary control circuit and a primary control circuit of the transformer, and comprises a first circuit board and a second circuit board. The LED driving power supply is characterized in that the first circuit board and the second circuit board are basically arranged front and back in parallel, wherein the bottom end part of the first circuit board is fixedly connected on a binding post of the secondary output port of the transformer, and the bottom end part of the second circuit board is fixedly connected on a binding post of the primary input port of the transformer; and the circuit board also comprises a third circuit board, two ends of which are spanned and fixed between the top end parts of the first circuit board and the second circuit board. Due to the technical characteristics and advantages, the driving power supply can be applied to LED driving power supply products needing compact structure.
Description
Technical field
The utility model relates to driving power, particularly includes the driving power that is used for the LED illuminator of transformer.
Background technology
With the development of work LED lamp lighting technology, LED is applied in a lot of occasions such as household electrical appliance, general lighting, street lamp.The driving power of existing LED lamp, the same with the power supply of other applications, generally comprised transformer and circuit board, described circuit board is provided with secondary control circuit and the elementary control circuit that is electrically connected with described transformer.But this driving power is applied on the utensil such as illuminating lamp, generally driving power is placed in the lamp holder, needs with the driving power miniaturization of trying one's best, so that adapt to the lamp holder specification of existing specification for this reason.For example, application number is 200520067509.4, name is called " LED constant-flow driver ", it has disclosed a kind of LED constant-flow driver, comprise between 1,2, two circuit boards 1,2 of two circuit boards being connected as a single entity that the circuit between the circuit board 1,2 is connected to a complete circuit by connector 3, in the gap between two circuit boards 1,2 the bigger electric elements of volume are housed, as transformer 41 and fuse 42 etc.; One circuit board 1 upper bottom surface has hv filtering electrochemical capacitor 4 above in described two circuit boards, makes driver be turriform generally.It can be directly installed in the existing lamp socket on the basis that does not change existing holder structure; It has small and exquisite, the compact conformation of volume, and tower configuration is specially adapted to E26, the use of E27 lamp holder, and the advantage that reliability is high and the life-span is long.Though the constant-flow driver volume of said structure has reduced, but it can only be applied in the lamp holder of E26, E27 type of home sale, what its design was adopted is the circuit structure of diameter less than the double-layer circuit board connection of bulb socket internal diameter, so its design is the restriction that will be subjected to the lamp socket internal diameter eventually.Especially need be during to area such as American-European countries with products export, the area of electronic circuit board has dwindled, and is difficult to satisfy simultaneously the whole requirements to aspects such as safety, performance, Electromagnetic Compatibility aspect electronic circuit.
Summary of the invention
Thereby reduce manufacturing cost in order to make enterprise can unify manufacturer's standard, can make product can satisfy all over the world product again to quality requirement, at the defective of above-mentioned technological invention, the application is special propose a kind of simple in structure, tightly short and can significantly improve wiring board wiring area and then can design and satisfy the LED driving power product of the versatility of needs all over the world.
A kind of LED driving power, comprise transformer and circuit board, described circuit board is provided with the secondary control circuit and the elementary control circuit of described transformer, described circuit board comprises first circuit board and second circuit board, it is characterized in that: described first circuit board and described second circuit board front and back substantially parallel are provided with, the bottom of wherein said first circuit board is connected on the binding post of secondary output end mouth of described transformer, and the bottom of described second circuit board is connected on the binding post of primary input port of described transformer; Also comprise the tertiary circuit plate, the two ends cross-over connection of described tertiary circuit plate is fixed between the top ends of described first circuit board and second circuit board.
According to technique scheme, because the bottom of described first circuit board and described second circuit board is fixed on respectively on the input and output binding post of described transformer and substantially parallel and is provided with, thereby utilize described binding post between wiring board and transformer, not only to form reliable mechanical connection, and can form reliably and be electrically connected, also make production assembling process simple controllable.Secondly, because the two ends cross-over connection of described tertiary circuit plate is fixed between the top ends of described first circuit board and second circuit board, so not only formed fixing to the top ends of described first circuit board and second circuit board by described tertiary circuit plate, and in fact formed more firm " door " shape framework between described tertiary circuit plate and described first circuit board and the second circuit board, not only can hold electric devices such as transformer in the framework, and on the two sides of framework various controlling parts can be set, improved the area or the space that hold controlling parts so greatly.In use, described tertiary circuit plate can be installed in the radial direction in the lamp holder, and described first circuit board and second circuit board are positioned at the axial direction of lamp holder.Like this, the radial dimension of lamp holder product (screw socket diameter) must meet international standard and can not change generally speaking, but can increase axial length.Described first circuit board and described second circuit board are arranged on the axial direction of lamp holder, can enough wiring space be provided for designing the electronic circuit and the power supply product thereof that satisfy performance, safety and Electro Magnetic Compatibility simultaneously in the axial direction prolongation of lamp holder.
Further technical scheme can also be, the secondary control circuit of described transformer is set on the described first circuit board, and the elementary control circuit of described transformer is set on the described second circuit board, on the described tertiary circuit plate power input interface circuit is set.The secondary control circuit of described transformer and elementary control circuit are isolated on physical space and realize the security of products requirement better, and reduce the cross-over connection lead between the wiring board on the described LED driving power product.On the described tertiary circuit plate power input interface circuit is set, it can be the circuit devcie that satisfies electromagnetic compatibility and safety requirement, also can be the electric device of elementary current rectifying and wave filtering circuit, the mains supply lead-in wire of being convenient to the outside like this directly be connected with described LED driving power.
Further technical scheme can also be, the both ends of described tertiary circuit plate are provided with jack, and the top ends of described first circuit board and second circuit board has the grafting boss adaptive with described jack respectively, and described grafting boss inserts and is connected in the described jack.Owing to fixedly connected with inserting mode between the top ends of described tertiary circuit plate and described first circuit board and second circuit board, so not only produce assembling simply, quality controllable, and be convenient to take apart maintenance.Secondly, between described grafting boss and the described jack preferably to fixedly connected in the tight fit mode; Described with the fixedly connected undersized that is meant described jack of tight fit mode in the size of described grafting boss, in the time must the exert oneself a little combination of pegging graft of combination, but can take apart neatly again between the two after making up.
Further technical scheme can also be to be welded to connect between described tertiary circuit plate and described first circuit board and the second circuit board.Because described first circuit board, second circuit board and described tertiary circuit plate all are to be the copper clad plate of base material with the resin, can will apply copper by welding manner at the link position of two boards for this reason and partly couple together, further improve the mechanical connection intensity between described tertiary circuit plate and described first circuit board and the second circuit board.
Further technical scheme can also be between described tertiary circuit plate and the described transformer isolated gap to be set.Can guarantee that so described tertiary circuit plate can directly not contact described transformer both sides coil position, can also utilize this gap that other bigger components and parts are set.Secondly, the gap is big more, illustrates that the described first circuit board and the second circuit board that are positioned at described tertiary circuit plate both sides are long more, can be big more for the space of arranging electronic circuit.
Further technical scheme can also be, the dual-side position of described tertiary circuit plate is provided with the groove to depression.Can pass through described groove like this, for other devices that are positioned at the lamp holder below the described LED driving power provide the installation clearance position.
Owing to the utlity model has above-mentioned technical characterstic and advantage, can be applied in needs in the tightly short LED driving power product of structure.
Description of drawings
Fig. 1 is a solid assembling schematic diagram of using the technical solutions of the utility model product;
Fig. 2 is a floor map of using the technical solutions of the utility model product;
Fig. 3 is a side perspective schematic diagram of using the technical solutions of the utility model product;
Fig. 4 uses technical solutions of the utility model product and lamp holder assembling schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the embodiment of using the technical solutions of the utility model product is made an explanation in detail.
As depicted in figs. 1 and 2, a kind of LED driving power comprises transformer 4, tertiary circuit plate 1, first circuit board 2 and second circuit board 3.Described tertiary circuit plate 1, first circuit board 2 and second circuit board 3 are provided with control circuit.
The two sides of wherein said first circuit board 2 are provided with the secondary control circuit 22 of described transformer 4, the bottom of described first circuit board 2 is provided with the adaptive patchhole 21 of the binding post that is provided with the input of described transformer 4 41, the binding post 41 of described input inserts in the described patchhole 21 and welding is fixed, being electrically connected between the secondary control circuit 22 that so also can realize described transformer 4 and the output port of described transformer 4 also makes production assembling process simple controllable.
The two sides of wherein said second circuit board 3 are provided with the elementary control circuit 32 of described transformer 4, the bottom of described second circuit board 3 is provided with the adaptive patchhole 31 of the binding post that is provided with the output of described transformer 4 42, the binding post 42 of described input inserts in the described patchhole 31 and welding is fixed, being electrically connected between the elementary control circuit 32 that so also can realize described transformer 4 and the input port of described transformer 4 also makes production assembling process simple controllable.
Described first circuit board 2 and second circuit board 3 are connected in the secondary output end oral-lateral and the primary input terminal oral-lateral of described transformer 4 substantially parallel respectively.The secondary control circuit 22 of described transformer 4 and elementary control circuit 32 are isolated on physical space and realize the security of products requirement better, and reduced the cross-over connection lead between the wiring board on the described LED driving power product.
The two sides of wherein said tertiary circuit plate 1 are provided with power input interface circuit 12, binding post particularly can be set and satisfy the control circuit that EMC and safety require, the power input interface circuit 12 on the described tertiary circuit plate 1 and described second circuit board 3 are provided with between the elementary control circuit 32 of described transformer 4 and are electrically connected by going between.
As shown in Figure 4, described lamp holder 6 has container cavity (other parts that are connected with lamp holder such as nipple etc. do not draw in the drawings), described tertiary circuit plate 1 is installed in the radial direction in the lamp holder 6, and described first circuit board 2 and second circuit board 3 are installed in the axial direction in the lamp holder 6.Though the area of described like this tertiary circuit plate 1 can not condition of enlarged under, thereby increase the rational wiring area of described first circuit board 2 and second circuit board 3 by the height that changes described first circuit board 2 and second circuit board 3.
As depicted in figs. 1 and 2, the top ends of described first circuit board 2 is provided with the first grafting boss 20, the top ends of described second circuit board 3 is provided with and the second grafting boss 30, both ends at described tertiary circuit plate 1 are provided with jack 10 respectively, and the described first grafting boss 20 and the second grafting boss 30 insert adaptedly respectively and be fixed in the described jack 10.It is with welding manner that welding between the both ends of described tertiary circuit plate 1 and described first circuit board 2 or the described second circuit board 3 is fixing again after insertion is finished.Like this, form firm " door " shape framework between described tertiary circuit plate 1 and described first circuit board 2 or the described second circuit board 3, the components and parts of control circuit can be set on the two sides of described door-shaped frame.The another kind of scheme that can implement is, fixedlys connected in the tight fit mode between the jack 10 of described tertiary circuit plate 1 and the described first grafting boss 20 and the second grafting boss 30.According to technique scheme, not only produce assembling simply, quality controllable, and be convenient to take apart maintenance.
Isolated gap 5 is set between described tertiary circuit plate 1 and the described transformer 4.Can guarantee that so described tertiary circuit plate 1 can directly not contact described transformer 4 both sides coil positions, not only heat insulation but also insulation can also utilize this gap that other bigger components and parts are set.Secondly, can also be according to comprehensive needs of aspects such as properties of product, safety and Electro Magnetic Compatibility, determine rational gap length, promptly determine the reasonable altitudes of described first circuit board 2 and described second circuit board 3, thereby under not increasing in the lamp holder radially the situation of size, satisfy the design needs of product to electronic circuit.
Secondly, be provided with in the dual-side position of described tertiary circuit plate 1 as shown in figures 1 and 3 to the groove 11 that caves in.Can pass through described groove 11 like this, for other devices that are positioned at the lamp holder below the described LED driving power provide the installation clearance position.Secondly in the product assembling process, can also utilize the retaining part of described groove 11, be convenient to assembling processing as operating personnel.
Claims (8)
1.LED driving power, comprise transformer and circuit board, described circuit board is provided with the secondary control circuit and the elementary control circuit of described transformer, described circuit board comprises first circuit board and second circuit board, it is characterized in that: described first circuit board and described second circuit board front and back substantially parallel are provided with, the bottom of wherein said first circuit board is connected on the binding post of secondary output end mouth of described transformer, and the bottom of described second circuit board is connected on the binding post of primary input port of described transformer; Also comprise the tertiary circuit plate, the two ends cross-over connection of described tertiary circuit plate is fixed between the top ends of described first circuit board and second circuit board.
2. LED driving power according to claim 1, it is characterized in that: the secondary control circuit that described transformer is set on the described first circuit board, the elementary control circuit of described transformer is set on the described second circuit board, on the described tertiary circuit plate power input interface circuit is set.
3. LED driving power according to claim 1 and 2, it is characterized in that: the both ends of described tertiary circuit plate are provided with jack, the top ends of described first circuit board and second circuit board has the grafting boss adaptive with described jack respectively, and described grafting boss inserts and is connected in the described jack.
4. LED driving power according to claim 3 is characterized in that: fixedly connected in the tight fit mode between described grafting boss and the described jack.
5. LED driving power according to claim 3 is characterized in that: be welded to connect between described tertiary circuit plate and described first circuit board and the second circuit board.
6. LED driving power according to claim 1 and 2 is characterized in that: between described tertiary circuit plate and the described transformer isolated gap is set.
7. LED driving power according to claim 1 and 2 is characterized in that: the dual-side position of described tertiary circuit plate is provided with the groove to depression.
8. LED driving power according to claim 1 and 2, it is characterized in that: also comprise the illuminator lamp head, described tertiary circuit plate is installed in the radial direction in the described lamp holder, and described first circuit board and second circuit board are installed in the axial direction in the described lamp holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201174633U CN201639810U (en) | 2010-02-11 | 2010-02-11 | Led driving power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201174633U CN201639810U (en) | 2010-02-11 | 2010-02-11 | Led driving power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201639810U true CN201639810U (en) | 2010-11-17 |
Family
ID=43084318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201174633U Expired - Lifetime CN201639810U (en) | 2010-02-11 | 2010-02-11 | Led driving power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201639810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959343A (en) * | 2010-02-11 | 2011-01-26 | 佛山市伊戈尔电业制造股份有限公司 | Led driving power supply |
-
2010
- 2010-02-11 CN CN2010201174633U patent/CN201639810U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959343A (en) * | 2010-02-11 | 2011-01-26 | 佛山市伊戈尔电业制造股份有限公司 | Led driving power supply |
| CN101959343B (en) * | 2010-02-11 | 2013-03-13 | 伊戈尔电气股份有限公司 | Led driving power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: EAGLERISE ELECTRIC CO., LTD. Free format text: FORMER NAME: FOSHAN EAGLERISE ELECTRIC + ELECTRONIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528000, A3, Guicheng science and Technology Park, Jian Ping Road, Nanhai District, Guangdong, Foshan Patentee after: Eaglerise Electric & Electronic (China) Co., Ltd. Address before: 528000, A3, Guicheng science and Technology Park, Jian Ping Road, Nanhai District, Guangdong, Foshan Patentee before: Foshan Eaglerise Electric & Electronic Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20101117 Effective date of abandoning: 20130313 |
|
| RGAV | Abandon patent right to avoid regrant |