CN204201656U - Led light source module and led street lamp - Google Patents
Led light source module and led street lamp Download PDFInfo
- Publication number
- CN204201656U CN204201656U CN201420627491.8U CN201420627491U CN204201656U CN 204201656 U CN204201656 U CN 204201656U CN 201420627491 U CN201420627491 U CN 201420627491U CN 204201656 U CN204201656 U CN 204201656U
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- CN
- China
- Prior art keywords
- led
- light source
- source module
- led light
- plate assembly
- 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
Links
- 239000011324 bead Substances 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 230000001052 transient effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000006071 cream Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The utility model provides a kind of LED light source module and LED street lamp, and LED light source module comprises lens subassembly, lamp plate assembly, radiator and electrical connection module, and lens subassembly and lamp plate assembly are installed on described radiator; Lamp plate assembly is between lens subassembly and radiator; Lamp plate assembly includes more than one chip-scale LED lamp bead and PCB substrate, and the LED chip of chip-scale LED lamp bead adopts inverted structure, is directly connected with PCB substrate bottom LED chip.This LED light source module, does not use any metal and/or ceramic heat-dissipating pedestal, and owing to adopting the flip-chip be directly connected with PCB, structure is simple, and thermal resistance is little, and heat radiation is good, and LED street lamp extends service life.
Description
Technical field
The utility model relates to technical field of LED illumination, particularly relates to a kind of LED light source module and LED street lamp.
Background technology
LED, as a forth generation lighting source, has energy-conservation and life-span advantage significantly.Along with the development of society, the lighting energy consumption problem in daily life becomes increasingly conspicuous, and therefore, has the LED light source module of remarkable power savings advantages more and more by the favor of people.
In LED street lamp field, increasing enterprise tends to use modularity patten's design street lamp, can adopt series connection or parallel-connection structure by during multiple LED light source module combination.And in LED light source module internal circuit, each LED can adopt series, parallel structure.Owing to adopting the efficiency of series arrangement mode driving power better, more and more use by production firm.If but adopt the LED street lamp of string structure to have a node location LED lamp bead to occur open fault, then whole LED street lamp can be caused not work.Simultaneously, current LED light source module, main use matrix form individual particle LED lamp bead is welded in PCB substrate, the work of integrated LED lamp plate, and the LED lamp bead primary structure used LED chip is encapsulated on pottery, copper, aluminium material to carry out heat conduction, although have employed the material that thermal conductivity factor is excellent, system thermal resistance is still up to 3 ~ 8 DEG C/W.When causing the direct current of input LED lamp bead extremely high if there is transient voltage because driving power output voltage is abnormal, generally by LED punch through damage, the service life of LED street lamp can be affected.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of LED light source module, guarantees that LED light source thermal resistance is little, and heat dispersion is good, long service life.
Another technical problem to be solved in the utility model is to provide a kind of LED street lamp, uses above-mentioned LED light source module, guarantees that LED light source thermal resistance is little, and heat dispersion is good, long service life.
The utility model is achieved through the following technical solutions:
LED light source module, includes: lens subassembly, lamp plate assembly, radiator and electrical connection module, and described lamp plate assembly and electrical connection module are electrically connected; Wherein, described lens subassembly and lamp plate assembly are installed on described radiator; Described lamp plate assembly is between lens subassembly and radiator; Described lamp plate assembly includes LED lamp bead and the PCB substrate of more than one chip-scale, and the LED chip of LED lamp bead adopts inverted structure, is directly connected with PCB substrate bottom LED chip.
Wherein in an embodiment, described lamp plate assembly includes open loop protection circuit, is electrically connected with LED lamp bead.
Further, described lamp plate assembly includes transient voltage and suppresses protection circuit, is electrically connected with LED lamp bead.
Further, described LED light source module includes sealing ring, and described sealing ring is between lens subassembly and radiator; The cavity for holding described electrical connection module is provided with in described lens subassembly.
LED street lamp, wherein, comprise more than one group LED light source module and driving power as elucidated before, the electrical connection module of described LED light source module is electrically connected with driving power.
The beneficial effects of the utility model are as follows:
The utility model relates to LED light source module and LED street lamp, and LED light source module comprises lens subassembly, lamp plate assembly, radiator and electrical connection module, and lens subassembly and lamp plate assembly are installed on described radiator; Lamp plate assembly is between lens subassembly and radiator; Lamp plate assembly includes more than one chip-scale LED lamp bead and PCB substrate, and the LED chip of chip-scale LED lamp bead adopts inverted structure, is directly connected with PCB substrate bottom LED chip.This LED light source module, does not use any metal and/or ceramic heat-dissipating pedestal, and owing to adopting the flip-chip be directly connected with PCB, structure is simple, and thermal resistance is little, and heat radiation is good, and LED street lamp extends service life.
Simultaneously, lamp plate assembly includes open loop protection circuit and transient voltage suppresses protection circuit, be used in the LED light source module adopting cascaded structure, when wherein certain LED light source module damages, start open circuit protecting function, ensure that other LED light source modules still normally work, avoid node location LED lamp bead to occur open fault, cause the situation that whole LED street lamp does not work; When the input voltage of LED light source module occurs extremely higher instantaneously, its inhibit feature of transient voltage suppression protection circuit energy carries out guard lamp pearl to be damaged from overvoltage; Extend the service life of LED street lamp.
Further, between lens and radiator, being provided with sealing ring, in lens, being also provided with the cavity for holding described water joint and electronic connecting line, make LED light source module water resistance good, more than degree of protection IP65.
Accompanying drawing explanation
Fig. 1 is LED light source module detonation configuration schematic diagram of the present utility model;
Fig. 2 is LED light source module plan structure schematic diagram of the present utility model;
Fig. 3 is LED light source module cross-sectional view of the present utility model;
Fig. 4 is the chip-scale LED lamp bead cross-sectional view of the utility model LED light source module;
Fig. 5 is the lamp plate modular construction schematic diagram of the utility model LED light source module;
Fig. 6 is the circuit diagram of the utility model LED light source module.
Description of reference numerals:
10--pressing plate; 20--pad; 30--lens; 40--lamp plate fixation kit; 41--plain cushion; 42--flange screws; 50--lamp plate assembly; 51--LED lamp pearl; 5101-LED flip-chip; 5102--tin cream; 5103--phosphor powder layer; 52--PCB substrate; 60--sealing ring; 70--radiator; 80--electrical connection module; 81--electronic connecting line; 82--water joint; 90--sunk screw; 101--first resistance R1; 102--second resistance R2; 103--IC; 104--voltage-stabiliser tube; 105--TVS manages; 201--transient voltage suppresses circuit; 202--open loop protection circuit.
Detailed description of the invention
The utility model is in order to solve the problem of prior art, propose a kind of LED light source module, as shown in Figures 1 to 5, include: lens subassembly, lamp plate assembly 50, radiator 70 and electrical connection module 80, described lamp plate assembly 50 is electrically connected with electrical connection module 80; Wherein, described lens subassembly and lamp plate assembly are installed on described radiator 70; Described lamp plate assembly is between lens subassembly and radiator 70; Described lamp plate assembly 50 includes LED lamp bead 51 and the PCB substrate 52 of more than one chip-scale, and the LED chip of LED lamp bead 51 adopts inverted structure, is directly connected with PCB substrate 52 bottom LED chip.
Wherein in an embodiment, as Fig. 1, as shown in Figure 6, described lamp plate assembly 50 includes open loop protection circuit 202, is electrically connected with LED lamp bead 51.
Further, described lamp plate assembly includes transient voltage and suppresses protection circuit 201, is electrically connected with LED lamp bead 51.
Further, described LED light source module includes sealing ring 60, and described sealing ring 60 is between lens subassembly and radiator 70; The cavity for holding described electrical connection module 80 is provided with in described lens subassembly.
Further, described lens subassembly includes from inside to outside successively: lens 30, for carrying out the pad 20 of buffer protection and the pressing plate 10 for fastening described lens to described lens; Described pad 20 is between described pressing plate 10 and lens 30; After described lens 30 are fastened by described pressing plate 10, sunk screw 90 is used to be fixedly mounted on described radiator 70; Described lens 30 are provided with light source installation cavity.
Further, described LED light source module includes: lamp plate fixation kit 40, and described lamp plate assembly 50 is arranged on described radiator by described lamp plate fixation kit 40.
LED street lamp, wherein, comprise more than one group LED light source module and driving power as elucidated before, the electrical connection module 80 of described LED light source module is electrically connected with driving power.
Embodiment:
And the utility model is described in detail below with reference to the accompanying drawings in conjunction with the embodiments.It should be noted that, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
As shown in Figures 1 to 5, the LED light source module of the present embodiment, comprises pressing plate 10, pad 20, lens 30, lamp plate fixation kit 40, lamp plate assembly 50, sealing ring 60, radiator 70, electrical connection module 80 and sunk screw 90.Wherein, lamp plate fixation kit 40 comprises plain cushion 41 and flange screws 42; Lamp plate assembly 50 mainly comprises LED lamp bead 51, PCB substrate 52; Electrical connection module 80 comprises electronic connecting line 81 and water joint 82.Fixing hole (not shown) is provided with in PCB substrate 52 two edges, PCB substrate 52 is fixedly mounted on a mounting plane of radiator 70 respectively by after plain cushion 41 by two flange screws 42, and radiator 70 is provided with the screw (not shown) of corresponding flange screw 42 screw thread.Fastened by lens 30 on the radiator 70 of the PCB substrate 52 installing LED lamp bead, lens 30 are provided with the cavity installed for LED light source, and sealing ring 60 plays waterproof sealing effect between lens 30 and radiator 70.Then, on lens 30 after shell tool 20, fasten after pressing plate 10 contraposition, pressing plate 10 is provided with the unthreaded hole (not shown) of passing for sunk screw 90, coordinate on installed surface at radiator 70 and be provided with corresponding screw (not shown), being so just fastened by pressing plate 10 by sunk screw 90 is arranged on radiator 70.Meanwhile, be also provided with the cavity for holding described water joint 82 and electronic connecting line 81 at lens 30, after the integral installation of such LED light source module, water resistance is good.
Fig. 4 gives the section of structure of the LED lamp bead 51 of chip-scale, LED lamp bead 51 of the present utility model adopts LED flip chip 5101, by bottom this LED flip chip 5101 by tin cream 5102 directly and PCB substrate 52 weld together, wherein LED flip chip 5101 has fluorescent coating 5103, such light-source structure is simple, do not use metal or base of ceramic, thermal resistance is less, is more conducive to good heat radiating.
Fig. 5 gives the structural representation of lamp plate assembly 50, and PCB substrate 52 is provided with LED lamp bead 51, first resistance 101, second resistance 102, IC 103, voltage-stabiliser tube 104 and transient voltage suppressor TVS pipe 105.
Fig. 6 is corresponding lamp plate assembly 50 circuit diagram, and this lamp plate assembly 50 is provided with transient voltage and suppresses protection circuit 201 and open loop protection circuit 202.
Open loop protection circuit includes the first resistance R1, the second resistance R2, IC and voltage-stabiliser tube D1, be used for protecting LED light source module, described IC is a kind of three wiring pin IC, and first, second wiring pin of IC is connected with the positive and negative two ends of the multiple LED lamp bead be connected in series needing open-circuit-protection respectively; First resistance R1 and voltage-stabiliser tube D1 is connected in series, after 3rd wiring pin of IC is connected with the first resistance R1 of series connection and described voltage-stabiliser tube D1, with the first wiring pin connect with and together be connected on the positive terminal of the multiple LED lamp bead be connected in series needing open-circuit-protection, described voltage-stabiliser tube D1 and described LED lamp bead reverse; Meanwhile, the 3rd wiring pin of described IC is connected on the negative pole end of the multiple LED lamp bead be connected in series needing open-circuit-protection after connecting with the second resistance R2.
Transient voltage suppresses protection circuit to include transient voltage suppressor TVS, and the two ends of transient voltage suppressor TVS are connected with the positive and negative two ends of multiple LED lamp bead be connected in series respectively.
Describe known above, the LED light source module of the present embodiment, as shown in Figures 1 to 6, owing to adopting directly and the flip-chip of PCB basic welding, do not use metal or base of ceramic, light-source structure is simple, and thermal resistance is less, is more conducive to good heat radiating.Meanwhile, circuit is provided with open loop protection circuit and transient voltage suppresses protection circuit, can carry out open-circuit-protection, ensure that other light sources module normally uses to because certain light source module damages; When causing the direct current of input LED lamp bead extremely high if there is transient voltage because driving power output voltage is abnormal, pearl damages from overvoltage guard lamp.Being provided with sealing ring 60 between lens 30 and radiator 70, in lens 30, being also provided with the cavity for holding described water joint 82 and electronic connecting line 81, make LED light source module water resistance good, more than degree of protection IP65.
The above embodiment only have expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1.LED light source module, includes: lens subassembly, lamp plate assembly, radiator and electrical connection module, and described lamp plate assembly and electrical connection module are electrically connected; It is characterized in that, described lens subassembly and lamp plate assembly are installed on described radiator; Described lamp plate assembly is between lens subassembly and radiator; Described lamp plate assembly includes LED lamp bead and the PCB substrate of more than one chip-scale, and the LED chip of LED lamp bead adopts inverted structure, is directly connected with PCB substrate bottom LED chip.
2. LED light source module according to claim 1, is characterized in that, described lamp plate assembly includes open loop protection circuit, is electrically connected with LED lamp bead.
3. LED light source module according to claim 1, is characterized in that, described lamp plate assembly includes transient voltage and suppresses protection circuit, is electrically connected with LED lamp bead.
4. the LED light source module according to claim 1 or 2 or 3, it is characterized in that, include sealing ring, described sealing ring is between lens subassembly and radiator; The cavity for holding described electrical connection module is provided with in described lens subassembly.
5. LED light source module according to claim 4, is characterized in that, described lens subassembly includes from inside to outside successively: lens, for carrying out the pad of buffer protection and the pressing plate for fastening described lens to described lens; Described pad is between described pressing plate and lens; After described lens are fastened by described pressing plate, sunk screw is used to be fixedly mounted on described radiator; Described lens are provided with light source installation cavity.
6. LED light source module according to claim 5, is characterized in that, include: lamp plate fixation kit, described lamp plate assembly is arranged on described radiator by described lamp plate fixation kit; Lamp plate fixation kit comprises plain cushion and flange screws; Electrical connection module comprises electronic connecting line and water joint, fixing hole is provided with in PCB substrate two edges, PCB substrate is fixedly mounted on a mounting plane of radiator respectively by after plain cushion by two flange screws, and radiator is provided with the screw of corresponding flange screw thread; Described lens are provided with the cavity for holding described water joint and electronic connecting line.
7. LED light source module according to claim 4, is characterized in that, described LED lamp bead adopts LED flip chip, by bottom this LED flip chip by tin cream directly and PCB substrate weld together, LED flip chip has fluorescent coating.
8. LED light source module according to claim 2, it is characterized in that, described open loop protection circuit includes the first resistance R1, the second resistance R2, IC and voltage-stabiliser tube D1, described IC is a kind of three wiring pin IC, and first, second wiring pin of IC is connected with the positive and negative two ends of the multiple LED lamp bead be connected in series needing open-circuit-protection respectively; First resistance R1 and voltage-stabiliser tube D1 is connected in series, after 3rd wiring pin of IC is connected with the first resistance R1 of series connection and described voltage-stabiliser tube D1, with the first wiring pin connect with and together be connected on the positive terminal of the multiple LED lamp bead be connected in series needing open-circuit-protection, described voltage-stabiliser tube D1 and described LED lamp bead reverse; 3rd wiring pin of described IC is connected on the negative pole end of the multiple LED lamp bead be connected in series needing open-circuit-protection after connecting with the second resistance R2.
9. LED light source module according to claim 3; it is characterized in that; described transient voltage suppresses protection circuit to include transient voltage suppressor TVS, and the two ends of transient voltage suppressor TVS are connected with the positive and negative two ends of multiple LED lamp bead be connected in series respectively.
10.LED street lamp, is characterized in that, comprise more than one group as the LED light source module in claim 1 to 9 as described in any one and driving power, the electrical connection module of described LED light source module is electrically connected with driving power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627491.8U CN204201656U (en) | 2014-10-27 | 2014-10-27 | Led light source module and led street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627491.8U CN204201656U (en) | 2014-10-27 | 2014-10-27 | Led light source module and led street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204201656U true CN204201656U (en) | 2015-03-11 |
Family
ID=52659613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627491.8U Expired - Fee Related CN204201656U (en) | 2014-10-27 | 2014-10-27 | Led light source module and led street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204201656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116504145A (en) * | 2023-01-13 | 2023-07-28 | 湖南蓝晶科技有限公司 | Full-inverted microLED display screen based on compatibility and common yin and common yang |
-
2014
- 2014-10-27 CN CN201420627491.8U patent/CN204201656U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116504145A (en) * | 2023-01-13 | 2023-07-28 | 湖南蓝晶科技有限公司 | Full-inverted microLED display screen based on compatibility and common yin and common yang |
| CN116504145B (en) * | 2023-01-13 | 2023-11-28 | 湖南蓝晶科技有限公司 | Full-inverted microLED display screen based on compatibility and common yin and common yang |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190912 Address after: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 office building on the third floor Room 301 Patentee after: ELEC-TECH INTERNATIONAL CO.,LTD. Address before: 4 building, No. six, No. 18, Harbour Road, Tang Wan Town, Zhuhai, Guangdong, 519000 Patentee before: ELEC-TECH INTERNATIONAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 office building on the third floor Room 301 Patentee after: Zhuhai Leishi Lighting Co.,Ltd. Address before: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 office building on the third floor Room 301 Patentee before: ELEC-TECH INTERNATIONAL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |