CN210274613U - COB linear power module - Google Patents
COB linear power module Download PDFInfo
- Publication number
- CN210274613U CN210274613U CN201920771071.XU CN201920771071U CN210274613U CN 210274613 U CN210274613 U CN 210274613U CN 201920771071 U CN201920771071 U CN 201920771071U CN 210274613 U CN210274613 U CN 210274613U
- Authority
- CN
- China
- Prior art keywords
- cob
- chip
- linear power
- power module
- light source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Led Device Packages (AREA)
Abstract
The utility model discloses a COB linear power module, including ac input end, rectifier bridge, drive circuit and COB light source, ac input end with the input of rectifier bridge is connected, the output of rectifier bridge with drive circuit's input is connected, drive circuit with the COB light source is connected, the COB light source comprises a plurality of luminescence unit, luminescence unit comprises 1 chip resistor and 3 ~ 5 COB chips. The utility model discloses a Chip On Board (COB) chip series connection chip resistor adjusts power, protection circuit.
Description
Technical Field
The utility model relates to a LED lamps and lanterns especially indicate a COB linear power module.
Background
The linear power supply has a step-down mode, wherein the input voltage is higher than the output voltage, the efficiency of the linear power supply is higher than that of the switching power supply when the voltage difference is small, and the output voltage is basically equal to the voltage of the LED lamp string. The existing LED lamp strip is formed by directly connecting a plurality of LED chips in series, and does not have the functions of regulating and protecting a circuit.
SUMMERY OF THE UTILITY MODEL
The utility model provides a COB linear power module has solved among the prior art LED lamp strip and has directly established ties a plurality of LED chips together, does not have the problem of regulation and protective circuit function.
The technical scheme of the utility model is realized like this:
the utility model provides a linear power module of COB, includes AC input, rectifier bridge, drive circuit and COB light source, AC input with the input of rectifier bridge is connected, the output of rectifier bridge with drive circuit's input is connected, drive circuit with the COB light source is connected, the COB light source is by including a plurality of luminescence unit, luminescence unit comprises 1 chip resistor and 3 ~ 5 COB chips.
As a preferred embodiment of the present invention, the driving circuit is composed of a linear power driving chip.
As the utility model discloses a preferred embodiment, the COB light source includes the FPC circuit board, chip resistor and COB chip are fixed on the FPC circuit board, the surface of chip resistor and flip-chip COB light source is equipped with the adhesive tape layer.
As a preferred embodiment of the utility model, be equipped with every fixed interval on the FPC circuit board and tailor the sign.
As a preferred embodiment of the present invention, the cutting mark corresponds to an elongated pad.
As a preferred embodiment of the present invention, the distance between adjacent cutting marks is 100 mm.
As a preferred embodiment of the present invention, the COB chip is a flip-chip COB chip.
The beneficial effects of the utility model reside in that: the COB chip is connected with a chip resistor in series to adjust power and protect a circuit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of an embodiment of a COB linear power module according to the present invention;
FIG. 2 is a circuit schematic of a drive circuit;
fig. 3 is a schematic structural diagram of a COB light source.
In the figure, 1-ac input; 2-a rectifier bridge; 3-a drive circuit; 4-COB light source; 41-FPC wiring board; 42-patch resistance; 43-COB chip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a linear power module of COB, including ac input 1, rectifier bridge 2, drive circuit 3 and COB light source 4, ac input 1 is connected with rectifier bridge 2's input, and rectifier bridge 2's output is connected with drive circuit 3's input, and drive circuit 3 is connected with COB light source 4, and COB light source 4 comprises a plurality of luminescence units including a plurality of chip resistor 42 and 3 ~ 5 COB chips 43.
As a preferred embodiment of the present invention, the driving circuit 3 is composed of a linear power driving chip. Specifically, the model of the linear power driving chip is JW 1690.
As an embodiment of the present invention, the COB light source 4 includes the FPC circuit board 41, and the chip resistor 42 and the COB chip 43 are fixed on the FPC circuit board 41, and the surface of the chip resistor 42 and the flip chip COB light source 4 is provided with an adhesive layer.
As a preferred embodiment of the present invention, the cutting marks are arranged on the FPC board 41 at regular intervals. The two black silk-screen markers may be in the shape of two opposing scissors.
As a preferred embodiment of the present invention, the cutting marks correspond to the long bonding pads. The long strip-shaped bonding pad can be connected with the driving circuit 3 after being cut, specifically, the driving circuit 3 can be packaged in a shell, the shell is provided with an interface, and a contact connected with the bonding pad is arranged in the interface.
As a preferred embodiment of the present invention, the distance between adjacent cutting marks is 100 mm. The cutting positions are left every 100mm, and the required length can be made according to the requirement of a client.
As a preferred embodiment of the present invention, the COB chip 43 is a flip chip COB chip 43.
The beneficial effects of the utility model reside in that: the COB chip 43 is connected in series with a chip resistor 42 to regulate power and protect the circuit.
In the description of the present invention, it should be understood that the terms "upper surface", "lower surface", "side", "vertical", "front", "rear", "left", "right", "inner layer", "outer layer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The terms "connected" and "bonded" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a COB linear power module which characterized in that: including AC input, rectifier bridge, drive circuit and COB light source, AC input with the input of rectifier bridge is connected, the output of rectifier bridge with drive circuit's input is connected, drive circuit with the COB light source is connected, the COB light source is by including a plurality of luminescence units, luminescence unit comprises 1 chip resistor and 3 ~ 5 COB chips.
2. The COB linear power module of claim 1, wherein: the driving circuit is composed of a linear power driving chip.
3. The COB linear power module of claim 1, wherein: COB light source includes the FPC circuit board, chip resistor and COB chip are fixed on the FPC circuit board, the surface of chip resistor and flip-chip COB light source is equipped with the adhesive tape layer.
4. The COB linear power module of claim 3, wherein: and cutting marks are arranged on the FPC at intervals.
5. The COB linear power module of claim 4, wherein: the cutting mark corresponds to the strip-shaped bonding pad.
6. The COB linear power module of claim 4, wherein: the distance between every two adjacent cutting marks is 100 mm.
7. The COB linear power module of any one of claims 1-6, wherein: the COB chip is a flip COB chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771071.XU CN210274613U (en) | 2019-05-23 | 2019-05-23 | COB linear power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771071.XU CN210274613U (en) | 2019-05-23 | 2019-05-23 | COB linear power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210274613U true CN210274613U (en) | 2020-04-07 |
Family
ID=70038695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920771071.XU Expired - Fee Related CN210274613U (en) | 2019-05-23 | 2019-05-23 | COB linear power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210274613U (en) |
-
2019
- 2019-05-23 CN CN201920771071.XU patent/CN210274613U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |