CN112923247A - Constant voltage drive COB light source - Google Patents
Constant voltage drive COB light source Download PDFInfo
- Publication number
- CN112923247A CN112923247A CN202110202404.9A CN202110202404A CN112923247A CN 112923247 A CN112923247 A CN 112923247A CN 202110202404 A CN202110202404 A CN 202110202404A CN 112923247 A CN112923247 A CN 112923247A
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- CN
- China
- Prior art keywords
- light source
- cob
- cob light
- source lamp
- flexible substrate
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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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
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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
-
- 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
- F21V23/023—Power supplies in a casing
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
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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 discloses a constant voltage driving COB light source, which comprises a COB light source lamp body and a COB flexible substrate, wherein the center end of the bottom of the COB light source lamp body is provided with a light source lamp hole, the top of the light source lamp hole is provided with a lampshade, the lampshade is of a hollow cylindrical structure, two sides of the lampshade are respectively and symmetrically and fixedly connected with a fixed frame, the outer side of the fixed frame is rotatably connected with a rotating rod, the top of the lampshade is fixedly connected with a voltage stabilizing chip fixed sleeve, the top of the voltage stabilizing chip fixed sleeve is fixedly connected with a lampshade fixed seat, the top of the lampshade fixed seat is provided with a conductive pin, the inner part of the lampshade is in bolted connection with the COB flexible substrate, the center end of the COB flexible substrate is provided with a COB light source lamp bead, and the COB light source lamp bead is arranged on the inner side of the light source, making it more stable.
Description
Technical Field
The invention relates to the technical field of COB light sources, in particular to a constant-voltage-driven COB light source.
Background
In conventional LED applications, the LED must be driven with a constant current power supply due to the non-linear V-I characteristics of the LED itself. If a plurality of groups of LED light sources are connected in parallel and share a large-current LED driving power supply, uneven brightness of the LED light sources of different groups can be easily caused. Because of the advantages of energy saving, environmental protection, light control, solidification, long service life and the like, the LED is widely applied to various fields of urban public lighting, office and indoor lighting and the like. The Chinese population is gradually lost, the labor cost is increased year by year, the production efficiency of LED lamp manufacturing is improved, the number of LED light source groups is not constant, and the output current needs to be adjusted according to the number of LED light sources. Meanwhile, if the LED light source carried by the large-current LED driving power supply has an open circuit or short circuit fault, other LED light sources will be over-current or not bright, and unstable. Therefore, we improve this and propose a constant voltage driving COB light source.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a constant-voltage driving COB light source, which comprises a COB light source lamp body and a COB flexible substrate, wherein a light source lamp hole is formed in the center end of the bottom of the COB light source lamp body, a lampshade is arranged at the top of the light source lamp hole and is of a hollow cylindrical structure, two sides of the lampshade are respectively and symmetrically and fixedly connected with a fixing frame, a rotating rod is rotatably connected to the outer side of the fixing frame, a voltage stabilizing chip fixing sleeve is fixedly connected to the top of the lampshade, a lampshade fixing seat is fixedly connected to the top of the voltage stabilizing chip fixing sleeve, a conductive pin is arranged at the top of the lampshade fixing seat, the COB flexible substrate is connected to an inner bolt of the lampshade, a COB light source lamp bead is arranged at the center end of the COB flexible substrate, and.
According to a preferred technical scheme, two placing areas are arranged on diagonal lines of the surface of the COB flexible substrate, the two placing areas are diagonally arranged, and an overheating protection module is arranged inside the first placing area and connected with COB light source lamp beads in series.
According to a preferable technical scheme of the invention, an overvoltage protection module is arranged inside the placing area II, and the overvoltage protection module is connected with the COB light source lamp bead in series.
As a preferred technical scheme of the invention, the periphery of the light source lamp hole is fixedly provided with heat dissipation holes, the heat dissipation holes are made of high-temperature-resistant materials, and the inner sides of the heat dissipation holes are provided with protective glue.
As a preferred technical scheme of the invention, two lead holes are formed in the surface of the COB flexible substrate, and positive and negative connecting wires of the COB light source lamp beads are arranged inside the lead holes and electrically connected with the conductive pins.
According to a preferred technical scheme, a power driving module is arranged on the surface of the COB flexible substrate and is respectively connected with the COB light source lamp bead, the overheating protection module and the overvoltage protection module through connecting wires.
As a preferred technical solution of the present invention, a control module is disposed inside the voltage stabilizing chip fixing sleeve, the control module is composed of a first control unit and a second control unit, and the first control unit and the second control unit are electrically connected to the overheat protection module and the overvoltage protection module, respectively.
As a preferred technical scheme, a light-emitting module is arranged inside the COB light source lamp bead and consists of a plurality of moulds with different color temperatures.
The invention has the beneficial effects that: two placing areas are arranged on the diagonal line of the surface of the COB flexible substrate, the two placing areas are diagonally arranged, an overheating protection module is arranged inside the first placing area and connected with the COB light source lamp beads in series, the overheating protection module is arranged inside the first placing area to prevent the damage of the COB light source lamp beads caused by overhigh temperature, an overvoltage protection module is arranged inside the second placing area and connected with the COB light source lamp beads in series, the overvoltage protection module is arranged inside the second placing area to prevent the instability of the COB light source lamp beads caused by overhigh voltage, a power driving module is arranged on the surface of the COB flexible substrate and connected with the COB light source lamp beads, the overheating protection module and the overvoltage protection module through connecting wires respectively, the power driving module is arranged on the surface of the COB flexible substrate and can provide stable voltage and current, and a control module is arranged inside the voltage-stabilizing chip fixing sleeve, control module comprises first the control unit and second the control unit, and first the control unit and second the control unit respectively with overheat protection module and overvoltage crowbar electric connection, be equipped with the control module in the inside of the fixed cover of steady voltage chip and meet too high voltage to with can be quick carry out steady voltage and handle, prevent that the lamp pearl from damaging, and be equipped with the light-emitting module in the inside of COB light source lamp pearl 12 and be convenient for carry out the colour temperature lamp pearl simultaneous working of multiunit difference.
Drawings
FIG. 1 is a schematic structural diagram of a constant voltage driving COB light source according to the present invention;
FIG. 2 is a schematic diagram of a split structure of a constant voltage driving COB light source according to the present invention;
fig. 3 is a schematic structural diagram of a COB flexible substrate of a constant voltage driven COB light source according to the present invention.
In the figure: 1. a COB light source lamp body; 2. a light source lamp hole; 3. a fixed mount; 4. rotating the rod; 5. a lamp shade; 6. a voltage stabilizing chip fixing sleeve; 7. a lampshade fixing seat; 8. a conductive pin; 9. heat dissipation holes; 10. a wire hole; 11. a COB flexible substrate; 12. COB light source lamp beads; 13. an overheat protection module; 14. and an overvoltage protection module.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-3, the constant-voltage-driven COB light source of the present invention includes a COB light source lamp body 1 and a COB flexible substrate 11, a light source lamp hole 2 is formed at a bottom center end of the COB light source lamp body 1, a lampshade 5 is disposed on a top of the light source lamp hole 2, the lampshade 5 is a hollow cylindrical structure, two sides of the lampshade 5 are respectively and symmetrically and fixedly connected with a fixing frame 3, a rotating rod 4 is rotatably connected to an outer side of the fixing frame 3, a voltage stabilizing chip fixing sleeve 6 is fixedly connected to a top of the lampshade 5, a lampshade fixing seat 7 is fixedly connected to a top of the voltage stabilizing chip fixing sleeve 6, a conductive pin 8 is disposed on a top of the lampshade fixing seat 7, the COB flexible substrate 11 is bolted to an inner portion of the lampshade 5, a COB light source lamp bead 12 is disposed at a center end of the COB flexible substrate 11.
Wherein, COB flexible substrate 11's surperficial diagonal is equipped with two and places the district, and two are placed the district and are diagonal setting district, and the inside of placing district one is equipped with overheat protection module 13 to concatenate with COB light source lamp pearl 12, be equipped with overheat protection module 13 in the inside of placing district one and prevent that the high temperature from causing COB light source lamp pearl 12's damage.
Wherein, the inside of placing district two is equipped with overvoltage protection module 14, and overvoltage protection module 14 concatenates with COB light source lamp pearl 12, is equipped with overvoltage protection module 14 in the inside of placing district two and prevents that too high voltage from causing the unstability of COB light source lamp pearl 12.
Wherein, the fixed louvre 9 that is provided with in periphery of light source lamp hole 2, and louvre 9 adopts high temperature resistant material to make, and the inboard of louvre 9 is provided with the protection and glues, and the fixed louvre 9 that is provided with in the periphery of light source lamp hole 2 can quick heat dissipation under the condition of high temperature.
Wherein, COB flexible substrate 11's surface is equipped with two pin holes 10, and the inside of pin hole 10 is equipped with COB light source lamp pearl 12 positive negative pole connecting wire to with 8 electric connection of conductive pin, be equipped with two pin holes 10 on COB flexible substrate 11's surface and can be quick introduce the power cord.
Wherein, COB flexible substrate 11's surface is equipped with power drive module, and power drive module is connected with COB light source lamp pearl 12, overheat protection module 13 and overvoltage protection module 14 through the connecting wire respectively, and COB flexible substrate 11's surface is equipped with power drive module and can provides stable voltage and electric current.
Wherein, the inside of the fixed cover 6 of steady voltage chip is equipped with control module, and control module comprises first the control unit and second the control unit, and first the control unit and second the control unit respectively with overheat protection module 13 and 14 electric connection of overvoltage protection module, be equipped with control module in the inside of the fixed cover 6 of steady voltage chip and meet too high voltage to with can be quick carry out steady voltage and handle, prevent that the lamp pearl from damaging.
Wherein, COB light source lamp pearl 12's inside is equipped with luminous module, and luminous module comprises the different moulds of multiple colour temperature, is equipped with luminous module in COB light source lamp pearl 12's inside and is convenient for carry out the colour temperature lamp pearl simultaneous working of multiunit difference.
The working principle is as follows: firstly, checking whether the device is normal, when the checking is finished, switching on the device, arranging a light source lamp hole 2 at the bottom center end of an OB light source lamp body 1, arranging a lampshade 5 at the top of the light source lamp hole 2, connecting a COB flexible substrate 11 with a bolt inside the lampshade 5, arranging two placing areas on the surface diagonal line of the COB flexible substrate 11, wherein the two placing areas are diagonal line setting areas, an overheating protection module 13 is arranged inside the placing area I and is connected with a COB light source lamp bead 12 in series, an overheating protection module 13 is arranged inside the placing area I to prevent the damage of the COB light source lamp bead 12 caused by overhigh temperature, two lead holes 10 are arranged on the surface of the COB flexible substrate 11, positive and negative connecting wires of the COB light source lamp bead 12 are arranged inside the lead holes 10 and are electrically connected with conductive pins 8, two lead holes 10 are arranged on the surface of the COB flexible substrate 11 to lead in a power, the surface of the COB flexible substrate 11 is provided with a power driving module, the power driving module is respectively connected with the COB light source lamp bead 12, the overheating protection module 13 and the overvoltage protection module 14 through connecting wires, the surface of the COB flexible substrate 11 is provided with the power driving module which can provide stable voltage and current, and a control module is arranged in the pressure stabilizing chip fixing sleeve 6 and consists of a first control unit and a second control unit, and the first control unit and the second control unit are respectively electrically connected with the overheating protection module 13 and the overvoltage protection module 14, the inside of the voltage-stabilizing chip fixing sleeve 6 is provided with a control module which meets the overhigh voltage and can rapidly carry out voltage stabilization treatment to prevent the lamp bead from being damaged, the inside of the COB light source lamp bead 12 is provided with a light-emitting module which consists of a plurality of moulds with different color temperatures, be equipped with light-emitting module in COB light source lamp pearl 12's inside and be convenient for carry out the colour temperature lamp pearl simultaneous working of multiunit difference.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a constant voltage drive COB light source, includes COB light source lamp body (1) and COB flexible substrate (11), its characterized in that, light source lamp hole (2) have been seted up to the bottom center end of COB light source lamp body (1), the top of light source lamp hole (2) is equipped with lamp shade (5), just lamp shade (5) are the cavity tubular structure, the both sides of lamp shade (5) symmetry fixedly connected with mount (3) respectively, the outside rotation of mount (3) is connected with dwang (4), the top fixedly connected with steady voltage chip fixed cover (6) of lamp shade (5), the top fixedly connected with lamp shade fixing base (7) of steady voltage chip fixed cover (6), the top of lamp shade fixing base (7) is provided with electrically conductive pin (8), the inside bolted connection of lamp shade (5) has COB flexible substrate (11), the center end of COB flexible substrate (11) is equipped with COB light source lamp pearl (12), and the COB light source lamp beads (12) are arranged on the inner side of the light source lamp hole (2).
2. The COB light source of constant voltage drive of claim 1, characterized in that, COB flexible substrate (11)'s surperficial diagonal is equipped with two and places the district, two place the district and be the diagonal and set up the district, the inside of placing district one is equipped with overheat protection module (13), and with COB light source lamp pearl (12) concatenate.
3. The constant-voltage-driven COB light source according to claim 2, wherein an overvoltage protection module (14) is arranged inside the second placement area, and the overvoltage protection module (14) is connected with the COB light source lamp bead (12) in series.
4. The COB light source driven by constant voltage according to claim 1, wherein heat dissipation holes (9) are fixedly formed in the periphery of the light source lamp hole (2), the heat dissipation holes (9) are made of high temperature resistant materials, and protective glue is arranged on the inner sides of the heat dissipation holes (9).
5. The COB light source driven by constant voltage according to claim 1, wherein two lead holes (10) are formed in the surface of the COB flexible substrate (11), and positive and negative connecting lines of COB light source bulbs (12) are arranged in the lead holes (10) and electrically connected with the conductive pins (8).
6. The COB light source of constant voltage drive of claim 1, characterized in that, COB flexible substrate (11)'s surface is equipped with power drive module, power drive module respectively through the connecting wire with COB light source lamp pearl (12), overheat protection module (13) and overvoltage protection module (14) are connected.
7. The COB light source driven by constant voltage according to claim 1, wherein a control module is arranged inside the voltage stabilization chip fixing sleeve (6), the control module is composed of a first control unit and a second control unit, and the first control unit and the second control unit are respectively electrically connected with the overheating protection module (13) and the overvoltage protection module (14).
8. The constant-voltage COB light source of claim 1, wherein a light-emitting module is arranged inside the COB light source lamp bead (12), and the light-emitting module is composed of different molds with different color temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202404.9A CN112923247A (en) | 2021-02-24 | 2021-02-24 | Constant voltage drive COB light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202404.9A CN112923247A (en) | 2021-02-24 | 2021-02-24 | Constant voltage drive COB light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112923247A true CN112923247A (en) | 2021-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110202404.9A Pending CN112923247A (en) | 2021-02-24 | 2021-02-24 | Constant voltage drive COB light source |
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| Country | Link |
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| CN (1) | CN112923247A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202419184U (en) * | 2011-11-18 | 2012-09-05 | 重庆四联光电科技有限公司 | Led down lamp |
| CN202484776U (en) * | 2011-12-31 | 2012-10-10 | 东莞安尚崇光科技有限公司 | LED (Light-Emitting Diode) ceiling lamp |
| CN203431746U (en) * | 2013-06-27 | 2014-02-12 | 深圳市晟大光电有限公司 | LED lamp optical structure of LED COB light source matched optical convex lens |
| CN204534334U (en) * | 2015-04-29 | 2015-08-05 | 佛山冠今光电科技有限公司 | A kind of Novel LED down lamp |
| CN205480524U (en) * | 2016-03-01 | 2016-08-17 | 深圳市亚然照明有限公司 | LED (Light emitting diode) tube light |
| CN206222128U (en) * | 2016-11-25 | 2017-06-06 | 青岛鼎峰电气有限公司 | A kind of Novel ceiling lamp |
| CN110671616A (en) * | 2019-08-29 | 2020-01-10 | 佛山市中昊光电科技有限公司 | Constant voltage drive COB light source |
-
2021
- 2021-02-24 CN CN202110202404.9A patent/CN112923247A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202419184U (en) * | 2011-11-18 | 2012-09-05 | 重庆四联光电科技有限公司 | Led down lamp |
| CN202484776U (en) * | 2011-12-31 | 2012-10-10 | 东莞安尚崇光科技有限公司 | LED (Light-Emitting Diode) ceiling lamp |
| CN203431746U (en) * | 2013-06-27 | 2014-02-12 | 深圳市晟大光电有限公司 | LED lamp optical structure of LED COB light source matched optical convex lens |
| CN204534334U (en) * | 2015-04-29 | 2015-08-05 | 佛山冠今光电科技有限公司 | A kind of Novel LED down lamp |
| CN205480524U (en) * | 2016-03-01 | 2016-08-17 | 深圳市亚然照明有限公司 | LED (Light emitting diode) tube light |
| CN206222128U (en) * | 2016-11-25 | 2017-06-06 | 青岛鼎峰电气有限公司 | A kind of Novel ceiling lamp |
| CN110671616A (en) * | 2019-08-29 | 2020-01-10 | 佛山市中昊光电科技有限公司 | Constant voltage drive COB light source |
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Application publication date: 20210608 |
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