CN109519898B - Circuit layout structure of light engine driving device - Google Patents
Circuit layout structure of light engine driving device Download PDFInfo
- Publication number
- CN109519898B CN109519898B CN201811646825.5A CN201811646825A CN109519898B CN 109519898 B CN109519898 B CN 109519898B CN 201811646825 A CN201811646825 A CN 201811646825A CN 109519898 B CN109519898 B CN 109519898B
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- control element
- area
- element area
- circuit board
- current control
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- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention relates to the technical field of lighting driving circuit layout, in particular to a circuit layout structure of a light engine driving device, wherein a fuse area, a voltage control element area, a rectifier bridge element area, a current control element area and a light emitting element area are arranged on a circuit board; the current control element region is disposed away from the fuse region and the rectifier bridge element region. The current control element area of the circuit layout structure of the light engine driving device is far away from the power electronic device, so that the layout design of the electronic device on the circuit board is reasonable, the electronic device is convenient to weld, incompatibility among the electronic devices driven by different voltages in the circuit is avoided, the problem that the current control element and other electronic devices are mutually interfered is avoided, and the running stability of the circuit on the circuit board is improved.
Description
Technical Field
The invention relates to the technical field of lighting driving circuit layout, in particular to a circuit layout structure of a light engine driving device.
Background
With the arrival of the third wave of lighting products, the LED lighting products replace traditional products such as incandescent lamps, energy-saving lamps, high-pressure gas discharge lamps and the like with rapid vigor in the fields of household lighting, commercial lighting and outdoor lighting, and gradually become a main stream light source of lighting industry. At present, most of illumination products are only slightly improved on the basis of the original illumination products because of the installation requirements of the traditional lamps and related safety performance standards, and the light source is changed into an LED. From the standpoint of light distribution and professional lighting requirements, the LED lighting lamp cannot be truly realized, because the LED light source is used as a semiconductor light-emitting element and needs to be independently matched with a matched driving power supply to provide proper working voltage and current for matching work, meanwhile, because the variety and the difference of the lamp lead to various matched LED driving power supplies, the LED lighting lamp cannot be standardized and uniformly used, the LED lighting lamp is miniaturized, has various functions and is blocked from being low in cost; meanwhile, the difference of the quality of the driving power supply also causes the service life of the whole LED machine to be different, and the development of LED products is influenced.
For example, the chinese intellectual property office discloses an LED driving circuit patent with the publication number CN108235524A on the 29 th month of 2018 and an optical engine driving circuit patent with the publication number CN108449830a on the 24 th month of 2018, which solve the above technical problems, but the different circuit layouts of the same circuit have influence on signal transmission and aesthetic welding in the circuit, and the unreasonable circuit layouts can cause the problems of incompatibility and mutual interference of signals of electronic components in the circuit between the electronic devices placed in the unreasonable circuit layouts, thereby influencing the operation stability of the circuit.
Therefore, a circuit layout structure of a light engine driving device is needed to solve the shortcomings of the prior art.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a circuit layout structure of a light engine driving device.
The technical scheme of the invention is as follows:
the circuit layout structure of the light engine driving device comprises a circuit board, wherein the circuit board is used for the circuit layout of the light engine driving device, and a fuse area, a voltage control element area, a rectifier bridge element area, a current control element area and a light emitting element area are arranged on the circuit board; the current control element region is disposed away from the fuse region and the rectifier bridge element region.
Preferably, a fuse or a fuse tube is welded on the fuse region, a piezoresistor is welded on the voltage control element region, a rectifier bridge is welded on the rectifier bridge element region, a current control element is welded on the current control element region, and a plurality of light emitting elements are welded on the light emitting element region.
Preferably, the circuit board is further provided with a power input end area, and the power input end area is used for being electrically connected with a mains supply.
In a preferred embodiment, the current control element region is located on the right side of the light emitting element region and on the right side of the circuit board; the fuse area, the voltage control element area and the rectifier bridge element area are all positioned on the left side of the light-emitting element area and on the left side of the circuit board, the fuse area is positioned on the right side of the voltage control element area, and the rectifier bridge element area is positioned at the lower end of the voltage control element area.
The power input end region is arranged at the upper end of the voltage control element region.
In another preferred embodiment, the circuit board is circular in shape, and the light-emitting element area is annularly arranged around the circumference of the circuit board; the fuse area, the voltage control element area, the rectifier bridge element area and the current control element area are arranged on the annular inner side of the light-emitting element area; the fuse area and the rectifier bridge element area are far away from the current control element area, and the voltage control element area is arranged between the current control element area and the rectifier bridge element area.
At least one circle of the luminous element area is annularly arranged on the circumference of the circuit board.
In another preferred embodiment, the current control element region is located at the left side of the light emitting element region and at the left side of the circuit board; the fuse area, the voltage control element area and the rectifier bridge element area are all located on the right side of the light-emitting element area and on the right side of the circuit board, the fuse area is located at the upper end of the voltage control element area, and the rectifier bridge element area is located at the lower end of the voltage control element area.
The beneficial effects of the invention are as follows: compared with the prior art, the current control element area of the circuit layout structure of the light engine driving device is far away from the power supply electronic device, so that the layout design of the electronic device on the circuit board is reasonable, the electronic element is convenient to weld, incompatibility among the electronic devices driven by different voltages in the circuit is avoided, the problem that the current control element and other electronic devices interfere with each other is avoided, and the running stability of the circuit on the circuit board is improved.
Description of the drawings:
Fig. 1 is a schematic diagram of a circuit layout structure of a light engine driving device according to an embodiment of the invention.
Fig. 2 is a schematic diagram of a circuit layout structure of a light engine driving device according to a second embodiment of the present invention.
Fig. 3 is a schematic diagram of a circuit layout structure of a light engine driving device according to a third embodiment of the present invention.
Fig. 4 is a schematic diagram of a circuit layout structure of a light engine driving device according to a fourth embodiment of the present invention.
Detailed Description
In order to make the technical scheme and technical effects of the invention more clear, the invention is further described below with reference to specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" or "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The circuit layout structure of the light engine driving device of the present invention, for example, the chinese intellectual property office discloses an invention patent of a light engine driving circuit with the publication number CN108449830a on the 8 th month 24 th year, the light engine driving device disclosed in the patent comprises a fuse, a voltage control element, a rectifier bridge stack, a current control element and a light emitting element, the working principle of the current control element of the light engine driving device is as described in detail in the chinese intellectual property office discloses an invention patent of a light emitting diode driving circuit with the publication number CN108235524A on the 6 th month 29 th year, wherein the light emitting element can also be composed of a plurality of light emitting elements, and the plurality of light emitting elements are connected together in series.
Referring to fig. 1 to 4, the circuit layout structure of the light engine driving device of the present invention includes a circuit board 10, wherein the circuit board 10 is used for the circuit layout of the light engine driving device, and the circuit board 10 is provided with a fuse area 11, a voltage control element area 12, a rectifier bridge element area 13, a current control element area 14 and a light emitting element area 15; the current control element region 14 is disposed away from the fuse region 11, the voltage control element region 12 and the rectifier bridge element region 13. In this embodiment, a fuse is welded on the fuse area 11, a varistor is welded on the voltage control element area 12, a rectifier bridge is welded on the rectifier bridge element area 13, a current control element is welded on the current control element area 14, and a plurality of light emitting elements are welded on the light emitting element area 15.
Example 1
Referring to fig. 1, the light emitting device area 15 is provided with a plurality of LED beads, and the light emitting device area 15 is disposed at the center of the circuit board 10; the current control element region 14 is located on the right side of the light emitting element region 15 and on the right side of the circuit board 10; the fuse area 11, the voltage control element area 12 and the rectifier bridge element area 13 are all located on the left side of the light emitting element area 15 and on the left side of the circuit board 10, the fuse area 11 is located on the right side of the voltage control element area 12, and the rectifier bridge element area 13 is located at the lower end of the voltage control element area 12. Specifically, the circuit board 10 is further provided with at least four mounting through holes 16, and the four mounting through holes 16 are respectively disposed at four corners of the circuit board 10. In this embodiment, the circuit layout structure of the light engine driving device is a circuit layout structure of the light engine driving device for projecting light. The circuit board 10 located at the upper end of the voltage control element area 12 is provided with a power input end area 17, wherein the power input end area 17 is mainly used for being electrically connected with a commercial power, and the voltage of the commercial power is preferably 110V-265V alternating current. The circuit board 10 has an elliptical shape.
In the first embodiment, the current control element disposed on the current control element area 14 is a core electronic device of the light engine driving device, and the current control element controls the working current of the light emitting element to realize the controllable dimming function of the light emitting device. The current control element area 14 is far away from the fuse area 11, the rectifier bridge element area 13 and the power input end area 17, the current control element is an electronic device with low voltage and small signal, and the rectifier bridge and the fuse in the power device are electronic devices with high voltage and strong magnetic wave interference, so that the current control element on the current control element area 14 is far away from other electronic devices, the current control element on the light engine driving device avoids the interference of other electronic devices, and the reliability of the circuit operation of the light engine driving device is improved.
Since the light emitting element region 15 is disposed at the center of the circuit board 10, the light emitting elements disposed on the light emitting element region 15 are intensively irradiated.
Example two
Referring to fig. 2, the circuit board 10 has a circular shape. The light-emitting device of a plurality of LED lamp beads is arranged on the light-emitting element area 15, and the light-emitting element area 15 is annularly arranged around the circumference of the circuit board 10; the fuse region 11, the voltage control element region 12, the rectifier bridge element region 13 and the current control element region 14 are arranged on the annular inner side of the light-emitting element region 15; the fuse region 11 and the rectifier bridge element region 13 are disposed away from the current control element region 14, and the voltage control element region 12 is disposed between the current control element region 14 and the rectifier bridge element region 13. Specifically, the circuit board 10 is provided with a connecting through hole 18 at a central position. In this embodiment, the circuit layout structure of the light engine driving device is that of a ceiling light.
In the second embodiment, the current control element area 14 is far away from the fuse area 11 and the rectifier bridge element area 13, and the current control element is an electronic device with low voltage and small signal, and the rectifier bridge and the fuse in the power device are electronic devices with high voltage and strong magnetic wave interference, so that the current control element on the current control element area 14 is far away from other electronic devices, the current control element on the optical engine driving device avoids the interference of other electronic devices, and the reliability of the circuit operation of the optical engine driving device is improved.
The light emitting element region 15 is provided along the periphery of the circuit board 10, so that the light irradiation range of the light engine driving device is wide.
The circuit layout structure of the light engine driving device in the second embodiment is provided with a circle of the light emitting element region 15 surrounding the circuit board 10.
Example III
Referring to fig. 3, the circuit layout structure of the light engine driving device of the third embodiment is similar to that of the second embodiment, except that two circles of the light emitting device regions 15 surrounding the circuit board 10 are disposed on the circuit layout structure of the light engine driving device of the third embodiment.
Example IV
Referring to fig. 4, the light emitting device area 15 is provided with a plurality of LED beads; the current control element region 14 is located on the left side of the light emitting element region 15 and on the left side of the circuit board 10; the fuse area 11, the voltage control element area 12 and the rectifier bridge element area 13 are all located on the right side of the light emitting element area 15 and on the right side of the circuit board 10, the fuse area 11 is located at the upper end of the voltage control element area 12, and the rectifier bridge element area 13 is located at the lower end of the voltage control element area 12. In this embodiment, nine mounting holes 19 are further formed in the circuit board 10. The circuit layout structure of the light engine driving device is the circuit layout structure of the light engine driving device of the lighting lamp, and the circuit board 10 is rectangular in shape.
The arrangement of the light emitting element region 15 in the fourth embodiment makes the illumination product of the light engine driving device suitable for light source illumination in an office.
The electronic device of the circuit layout structure of the light engine driving device has reasonable layout design, the electronic elements are convenient to weld, the incompatibility among the electronic devices driven by different voltages in the circuit is avoided, the problem that the current control element and other electronic devices are mutually interfered is avoided, and the running stability of the circuit on the circuit board is improved.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. For those skilled in the art, the architecture of the invention can be flexible and changeable without departing from the concept of the invention, and serial products can be derived. But a few simple derivatives or substitutions should be construed as falling within the scope of the invention as defined by the appended claims.
Claims (2)
1. The circuit layout structure of the light engine driving device comprises a circuit board, and is characterized in that the circuit board is used for the circuit layout of the light engine driving device, and a fuse area, a voltage control element area, a rectifier bridge element area, a current control element area and a light emitting element area are arranged on the circuit board; the current control element region is arranged away from the fuse region and the rectifier bridge element region; the fuse area is welded with a fuse or a fuse tube, the voltage control element area is welded with a piezoresistor, the rectifying bridge element area is welded with a rectifying bridge, the current control element area is welded with a current control element, and the light emitting element area is welded with a plurality of light emitting elements; the circuit board is also provided with a power input end area which is used for being electrically connected with a mains supply;
the current control element area is positioned on the right side of the light emitting element area and on the right side of the circuit board; the fuse area, the voltage control element area and the rectifier bridge element area are all positioned at the left side of the light-emitting element area and at the left side of the circuit board, the fuse area is positioned at the right side of the voltage control element area, and the rectifier bridge element area is positioned at the lower end of the voltage control element area;
or, the current control element area is positioned at the left side of the light emitting element area and at the left side of the circuit board; the fuse area, the voltage control element area and the rectifier bridge element area are all located on the right side of the light-emitting element area and on the right side of the circuit board, the fuse area is located at the upper end of the voltage control element area, and the rectifier bridge element area is located at the lower end of the voltage control element area.
2. The circuit layout structure of a light engine driving device according to claim 1, wherein the power input end region is disposed at an upper end of the voltage control element region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646825.5A CN109519898B (en) | 2018-12-29 | 2018-12-29 | Circuit layout structure of light engine driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646825.5A CN109519898B (en) | 2018-12-29 | 2018-12-29 | Circuit layout structure of light engine driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109519898A CN109519898A (en) | 2019-03-26 |
| CN109519898B true CN109519898B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811646825.5A Active CN109519898B (en) | 2018-12-29 | 2018-12-29 | Circuit layout structure of light engine driving device |
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| CN (1) | CN109519898B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130006316U (en) * | 2012-04-24 | 2013-11-01 | 롬태크 주식회사 | Light device |
| CN205454162U (en) * | 2016-03-03 | 2016-08-10 | 深圳市新月光电有限公司 | COB encapsulation LED photo engine |
| CN206619611U (en) * | 2017-04-21 | 2017-11-07 | 上海鼎晖科技股份有限公司 | A kind of bare crystalline encapsulates light engine |
| CN209213780U (en) * | 2018-12-29 | 2019-08-06 | 深圳市乔盛科技发展有限公司 | The configuration structure of light engine driving device |
-
2018
- 2018-12-29 CN CN201811646825.5A patent/CN109519898B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130006316U (en) * | 2012-04-24 | 2013-11-01 | 롬태크 주식회사 | Light device |
| CN205454162U (en) * | 2016-03-03 | 2016-08-10 | 深圳市新月光电有限公司 | COB encapsulation LED photo engine |
| CN206619611U (en) * | 2017-04-21 | 2017-11-07 | 上海鼎晖科技股份有限公司 | A kind of bare crystalline encapsulates light engine |
| CN209213780U (en) * | 2018-12-29 | 2019-08-06 | 深圳市乔盛科技发展有限公司 | The configuration structure of light engine driving device |
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| Publication number | Publication date |
|---|---|
| CN109519898A (en) | 2019-03-26 |
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