CN202678032U - Light-emitting diode (LED) lamp and switching power supply and transformer thereof - Google Patents
Light-emitting diode (LED) lamp and switching power supply and transformer thereof Download PDFInfo
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- CN202678032U CN202678032U CN 201220200638 CN201220200638U CN202678032U CN 202678032 U CN202678032 U CN 202678032U CN 201220200638 CN201220200638 CN 201220200638 CN 201220200638 U CN201220200638 U CN 201220200638U CN 202678032 U CN202678032 U CN 202678032U
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- transformer
- power supply
- switching power
- magnetic core
- transformer body
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Abstract
The utility model discloses a transformer. The transformer comprises a transformer body, and the transformer body comprises a skeleton, an inductive coil, a first magnetic core and a second magnetic core, wherein the skeleton comprises a backbone of a hollow structure, and the inductive coil is wound on the backbone, magnetic center pillars of the first magnetic core and the second magnetic core are sleeved into the hollow structure of the backbone from two sides. The transformer further comprises an insulation cover which is arranged on the transformer body and covers at least one side of the transformer body. By arranging the insulation cover, the transformer can play the role of safe protection on the transformer, when the transformer is arranged on a printed circuit board (PCB) of the switch power, a use area of a circuit can be reduced and the structure of power is compact. Meanwhile, the utility model discloses the corresponding switching power supply and a light-emitting diode (LED) lamp.
Description
Technical field
The utility model relates to the LED technical field, relates more specifically to a kind of transformer of Switching Power Supply, the Switching Power Supply with this transformer and LED light fixture of being applicable to.
Background technology
In recent years, LED is widely used in lighting field, and wherein, the LED light fixture has begun to substitute gradually traditional light fixture.And along with the fast development of LED light fixture technology, the industry is also more and more higher to the performance requirement of LED lamp switch power supply, and the special requirement Switching Power Supply realizes the volume miniaturization and improves circuit stability.
In the prior art, the Switching Power Supply 20 that is used for the LED light fixture comprises pcb board 21 and is installed in transformer 22 on the pcb board 21 and the electronic component 23 of electric capacity and so on, wherein, the concrete structure of transformer 22 (not indicating) is as follows: generally include skeleton, inductance coil and two magnetic cores, the spine of skeleton is that hollow structure and its outer surface are recessed to form cannelure, inductance coil is wrapped in the cannelure of spine, and the magnetic center pillar of two magnetic cores is enclosed within the hollow structure of skeleton.When transformer 22 is installed in pcb board 21, need the distance (D1) that keeps more than the 6.0mm with immediate electronic component 23, just circuit can be disturbed to reduce in the safe range, yet this design can cause again circuit structure not compact the totally defective such as larger of Switching Power Supply 20.
Given this, be necessary to provide a kind of impel the Switching Power Supply smaller volume and improve the transformer of stability of a circuit and have the Switching Power Supply of this transformer and the LED light fixture to address the aforementioned drawbacks.
Prior art:
Switching Power Supply 20 pcb boards 21
Transformer 22 electronic components 23
The utility model:
Switching Power Supply 10 transformers 100
The first pin 1115 inductance coils 112
The first magnetic core 113 second magnetic cores 114
Boss 122 second pins 123
The utility model content
The transformer that a purpose of the present utility model provides a kind of tape insulation cover can reduce the circuit usable floor area when being applied to Switching Power Supply, dwindles power volume.
Another purpose of the present utility model provides that a kind of circuit is stable, the Switching Power Supply of small volume to be to be applicable to the LED light fixture.
Another purpose of the present utility model provides the better LED light fixture of a kind of compact conformation, illumination effect to meet the need of market.
In order to realize an above-mentioned purpose, the technical solution adopted in the utility model is: provide to comprise transformer body, described transformer body comprises skeleton, inductance coil, the first magnetic core and the second magnetic core, described skeleton comprises the spine with hollow structure, described inductance coil is wrapped on the described spine, the magnetic center pillar of described the first magnetic core and the second magnetic core is inserted in the hollow structure of described spine from both sides, described transformer also comprises an insulating cover, and described insulating cover is installed on a side that covers at least described transformer body on the described transformer body.
Its further technical scheme is: described insulating cover comprises accommodates lid, and described accommodating covers the side of described transformer body and end face and the bottom surface of the described transformer body of at least part of covering after lid is installed in described transformer body fully.
Its further technical scheme is: described skeleton also comprises a substrate, described substrate is arranged on a side of close described the first magnetic core on the described spine, the bottom of described substrate is provided with some the first pins, described insulating cover also comprises some boss, described boss is arranged on the described outside of accommodating lid, and the bottom of each described boss is provided with one second pin.
Its further technical scheme is: described bottom peripheral edge both sides of accommodating lid are provided with wire lead slot.
In order to realize another above-mentioned purpose, the technical solution adopted in the utility model is: the Switching Power Supply that a kind of LED of being applicable to light fixture is provided, described Switching Power Supply comprises pcb board and is installed in transformer and electronic component on the described pcb board, described transformer comprises transformer body, described transformer body comprises skeleton, inductance coil, the first magnetic core and the second magnetic core, described skeleton comprises the spine with hollow structure, described inductance coil is wrapped on the described spine, the magnetic center pillar of described the first magnetic core and the second magnetic core is inserted in the hollow structure of described spine from both sides, it is characterized in that: described transformer also comprises an insulating cover, and described insulating cover is installed on the described transformer body and covers at least a side of close described electronic component on the described transformer body.
Its further technical scheme is: the distance between described boss and the described electronic component is 0.05mm.
In order to realize another above-mentioned purpose, the technical solution adopted in the utility model is: a kind of LED light fixture is provided, and it comprises lamp body and places described lamp body interior Switching Power Supply and LED lamp plate that this Switching Power Supply adopts above-mentioned Switching Power Supply.
Compared with prior art; the utility model transformer is set up an insulating cover and transformer is played safety insulation protection effect; when transformer is installed on the pcb board of Switching Power Supply; the primary element of transformer and secondary element are very closely reliable; and can not produce the safety problem, power supply architecture is more compact, volume is less and circuit stability is higher thereby make.In addition, Switching Power Supply disclosed in the utility model and LED light fixture are owing to comprising that above-mentioned transformer has higher serviceability.
By following description also by reference to the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used for explaining embodiment of the present utility model.
Description of drawings
Fig. 1 is the stereogram of the part-structure of existing Switching Power Supply.
The vertical view of the described Switching Power Supply of Fig. 2 Fig. 1.
Fig. 3 is the stereogram of the utility model transformer.
Fig. 4 is another angle stereogram of transformer shown in Figure 3.
Fig. 5 is the right view of transformer shown in Figure 3.
Fig. 6 is the exploded view of transformer shown in Figure 5.
Fig. 7 is the three-dimensional exploded view of transformer shown in Figure 3.
The stereogram of the part-structure of Fig. 8 the utility model Switching Power Supply.
Fig. 9 is the vertical view of Switching Power Supply shown in Figure 8.
Each description of reference numerals is as follows among the figure:
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the embodiment is clearly and completely described, similar assembly label represents similar assembly in the accompanying drawing.Obviously, below only be the utility model part embodiment with the embodiment that describes, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
At first please refer to Fig. 3 to Fig. 7, it has showed an embodiment of the utility model transformer.In the present embodiment, described transformer 100 comprises transformer body 110 and insulating cover 120, and a side and part that described insulating cover 120 is installed in described transformer body 110 coat described transformer body 110.
Particularly, in the present embodiment, described transformer body 110 comprises skeleton 111, inductance coil 112, the first magnetic core 113 and the second magnetic core 114.Wherein, described skeleton 111 comprises spine 1111 and pedestal 1112, described spine 1111 has hollow structure 1113 and its outer surface has been recessed to form cannelure 1114, described inductance coil 112 is wound in the cannelure 1114 of described spine 1111, described pedestal 1112 is positioned at described spine 1111 bottoms one side, these pedestal 1112 bottoms are provided with some the first pins 1115, and described pin 1115 is arranged in line, and the fly line of described inductance coil 112 can be drawn out on described the first pin.Described the first magnetic core 113 is installed on the skeleton 111 from pedestal 1112 places one side, described the second magnetic core 114 is installed on the described skeleton 111 from opposite side, thereby the magnetic center pillar 1131 and 1141 of the first magnetic core 113 and the second magnetic core 114 is inserted in the hollow structure 1113 from two openings of hollow structure 1113 respectively.
Preferably, the insulating cover 120 of present embodiment comprises accommodating and covers 121 and some boss 122, described boss 122 is arranged on described accommodating and covers 121 the outside, the bottom of each boss 122 is provided with one second pin 123, described accommodating covered 121 bottom peripheral edge both sides and is provided with wire lead slot 124, described accommodating covered 121 and is installed on the described transformer body 110 from the second magnetic core 114 places one side, this is accommodated and covers 121 and cover the side of described transformer body 110 and end face and the bottom surface of the described transformer body 110 of partial coverage fully, the fly line of described inductance coil 112 can be drawn out on the second pin 123, fly line can be housed in the wire lead slot 124 and not disturb other parts, so that the compact conformation of transformer 100 and more attractive in appearance.
With reference to Fig. 8 to Fig. 9, it has showed an embodiment of the utility model Switching Power Supply.In the present embodiment, described Switching Power Supply 10 comprises described transformer 100, electronic component 200 and pcb board 300, and described transformer 100 and electronic component 200 are installed on the described pcb board 300.Described electronic component 200 is positioned at a side that is provided with insulating cover 120 on the described transformer 100, because the setting of insulating cover 120, described transformer 100 can be close to described electronic component 200 and can not produce the circuit interference, can make the distance B 2 between insulating cover 120 convex platforms and the described electronic component narrow down to 0.05mm, thereby so that the circuit layout of Switching Power Supply 10 is more compact, reduce the volume of Switching Power Supply, improve the overall performance of Switching Power Supply.
The utility model also provides a kind of LED light fixture (not shown) with above-mentioned Switching Power Supply 10, and described Switching Power Supply 10 is built in the lamp body of described LED light fixture, and other structure of this LED light fixture is well known to those skilled in the art, and does not repeat them here.
As mentioned above; the utility model transformer is set up an insulating cover and transformer is played safety insulation protection effect; when transformer is installed on the pcb board of Switching Power Supply; the primary element of transformer and secondary element are very closely reliable; and can not produce the safety problem, power supply architecture is more compact, volume is less and circuit stability is higher thereby make.In addition, Switching Power Supply disclosed in the utility model and LED light fixture are owing to comprising that above-mentioned transformer has higher serviceability.
Need to prove that transformer of the present utility model and Switching Power Supply can be used for multiple LED light fixture and be particularly useful for the LED bulb lamp and the PAR lamp.
Abovely in conjunction with most preferred embodiment the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to essence of the present utility model.
Claims (10)
1. transformer, comprise transformer body, described transformer body comprises skeleton, inductance coil, the first magnetic core and the second magnetic core, described skeleton comprises the spine with hollow structure, described inductance coil is wrapped on the described spine, the magnetic center pillar of described the first magnetic core and the second magnetic core is inserted in the hollow structure of described spine from both sides, it is characterized in that: described transformer also comprises an insulating cover, and described insulating cover is installed on a side that covers at least described transformer body on the described transformer body.
2. transformer as claimed in claim 1, it is characterized in that: described insulating cover comprises accommodates lid, and described accommodating covers the side of described transformer body and end face and the bottom surface of the described transformer body of at least part of covering after lid is installed in described transformer body fully.
3. transformer as claimed in claim 2, it is characterized in that: described skeleton also comprises a substrate, described substrate is arranged on a side of close described the first magnetic core on the described spine, the bottom of described substrate is provided with some the first pins, described insulating cover also comprises some boss, described boss is arranged on the described outside of accommodating lid, and the bottom of each described boss is provided with one second pin.
4. transformer as claimed in claim 3, it is characterized in that: described bottom peripheral edge both sides of accommodating lid are provided with wire lead slot.
5. Switching Power Supply, be applicable to the LED light fixture, described Switching Power Supply comprises pcb board and is installed in transformer and electronic component on the described pcb board, described transformer comprises transformer body, described transformer body comprises skeleton, inductance coil, the first magnetic core and the second magnetic core, described skeleton comprises the spine with hollow structure, described inductance coil is wrapped on the described spine, the magnetic center pillar of described the first magnetic core and the second magnetic core is inserted in the hollow structure of described spine from both sides, it is characterized in that: described transformer also comprises an insulating cover, and described insulating cover is installed on the described transformer body and covers at least a side of close described electronic component on the described transformer body.
6. Switching Power Supply as claimed in claim 5, it is characterized in that: described insulating cover comprises accommodates lid, and described accommodating covers the side of described transformer body and end face and the bottom surface of the described transformer body of at least part of covering after lid is installed in described transformer body fully.
7. Switching Power Supply as claimed in claim 6, it is characterized in that: described skeleton also comprises a substrate, described substrate is arranged on a side of close described the first magnetic core on the described spine, the bottom of described substrate is provided with some the first pins, described insulating cover also comprises some boss, described boss is arranged on the described outside of accommodating lid, and the bottom of each described boss is provided with one second pin.
8. Switching Power Supply as claimed in claim 7, it is characterized in that: described bottom peripheral edge both sides of accommodating lid are provided with wire lead slot.
9. Switching Power Supply as claimed in claim 7, it is characterized in that: the distance between described boss and the described electronic component is 0.05mm.
10. a LED light fixture comprises lamp body and places described lamp body interior Switching Power Supply and LED lamp plate, and it is characterized in that: described Switching Power Supply is each described Switching Power Supply of claim 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200638 CN202678032U (en) | 2012-05-07 | 2012-05-07 | Light-emitting diode (LED) lamp and switching power supply and transformer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200638 CN202678032U (en) | 2012-05-07 | 2012-05-07 | Light-emitting diode (LED) lamp and switching power supply and transformer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678032U true CN202678032U (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220200638 Expired - Fee Related CN202678032U (en) | 2012-05-07 | 2012-05-07 | Light-emitting diode (LED) lamp and switching power supply and transformer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417351A (en) * | 2018-02-13 | 2018-08-17 | 乐志胜 | A kind of transformer easy to disassemble for safeguarding replacement |
-
2012
- 2012-05-07 CN CN 201220200638 patent/CN202678032U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417351A (en) * | 2018-02-13 | 2018-08-17 | 乐志胜 | A kind of transformer easy to disassemble for safeguarding replacement |
| CN108417351B (en) * | 2018-02-13 | 2019-09-24 | 江苏晨朗电子集团有限公司 | A kind of transformer of maintenance replacement easy to disassemble |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20160507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |