CN204986691U - High reliability LED street lamp with electrostatic protection function - Google Patents
High reliability LED street lamp with electrostatic protection function Download PDFInfo
- Publication number
- CN204986691U CN204986691U CN201520739467.8U CN201520739467U CN204986691U CN 204986691 U CN204986691 U CN 204986691U CN 201520739467 U CN201520739467 U CN 201520739467U CN 204986691 U CN204986691 U CN 204986691U
- Authority
- CN
- China
- Prior art keywords
- led
- luminescence chip
- module
- street lamp
- cavity
- 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
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
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a high reliability LED street lamp with electrostatic protection function, including cavity, module formula LED radiator, ceramic substrate, LED luminescence chip, LED luminous lens, constant current driver module and electrostatic protection module, wherein, the cavity include the cavity and with the lower cavity of last cavity fixed coordination, the side of cavity is equipped with the air vent down, be equipped with mounting groove on the cavity down, the order has set firmly the luminous lens of module formula LED radiator, ceramic substrate, LED luminescence chip and LED, its among this mounting groove LED in the LED luminescence chip connects for the full cascaded structure of one way to the gold goal welds LED luminescence chip eutectic on ceramic substrate through being direct, the LED luminescence chip is connected with the constant current driver module electricity, electrostatic protection module parallel connection goes into in the LED luminescence chip. The utility model provides a high reliability LED street lamp with electrostatic protection function, it is not enough effectively to have improved LED street lamp heat dissipation, power drive unstability and the LED broken string risk of opening a way.
Description
Technical field
The utility model belongs to field of illuminating device, is specifically related to a kind of high reliability LED street lamp with antistatic protection function.
Background technology
As everyone knows, road lighting is the important component part of city illumination, and traditional street lamp often adopts high-pressure mercury lamp 360 degree of luminescences, and the loss of light is very huge, causes the huge waste of the energy.Current, global environment is going from bad to worse, and each state is all at development clean energy resource.And along with the rapid growth of national economy, China's energy supply and demand contradiction is outstanding day by day, supply of electric power comes into existence the situation of critical shortage, and energy-conservation is current urgent problem.Therefore, development of new is efficient, energy-conservation, the life-span is long, colour rendering index is high, the LED street lamp of environmental protection is of great significance the energy-conservation tool of city illumination.
Road lighting and people's productive life closely related, along with the quickening of Urbanization in China, LED street lamp with directional lighting, the advantage such as power consumption is low, drive characteristic good, fast response time, shock resistance are high, long service life, environmental protection enter into gradually people the visual field, become the energy-conserving light source of new generation most in the world with alternative conventional light source advantage, therefore, LED street lamp will become the optimal selection of roadway illumination and energy saving transformation.But it is not enough to there is heat radiation in existing LED street lamp, power drives instability and LED broken string open circuit risk.
Utility model content
The LED street lamp heat radiation existed for prior art is not enough, and the technical problem of power drives instability and LED broken string open circuit risk, the utility model provides a kind of high reliability LED street lamp with antistatic protection function.
To achieve these goals, the utility model adopts following technical scheme:
There is a high reliability LED street lamp for antistatic protection function, comprise cavity, module type LED radiator, ceramic substrate, LED luminescence chip, LED light emission lens, constant-current driven module and electrostatic defending module, wherein, described cavity comprises upper cavity and the lower chamber with upper cavity secure fit, the side of described lower chamber is provided with passage, described lower chamber is provided with installation groove, module type LED radiator is installed with in this installation groove, described ceramic substrate is arranged on above module type LED radiator, LED in described LED luminescence chip connects for the full cascaded structure of single channel, and directly LED luminescence chip eutectic is welded on ceramic substrate by gold goal, described LED light emission lens is arranged on above LED luminescence chip, described module type LED radiator, ceramic substrate, LED luminescence chip and LED light emission lens are fixedly mounted in the installation groove of described lower chamber, described LED luminescence chip is electrically connected with constant-current driven module, described electrostatic defending wired in parallel connects in LED luminescence chip.
The high reliability LED street lamp of what the utility model provided have antistatic protection function, by module type LED radiator, the heat that the LED luminescence chip be arranged on ceramic substrate produces is disperseed, and exchanged by the passage of lower chamber side and the air of outside, thus effectively improve the radiating effect of LED luminescence chip, improve the radiating efficiency of whole LED street lamp; LED luminescence chip is electrically connected with constant-current driven module, ensure that the stability of driving power, and is connected in parallel into electrostatic protection module in LED luminescence chip, thus effectively ensure that LED street lamp is not easily damaged; Adopt the welding of gold goal direct eutectic to replace gold thread of the prior art to connect, thus avoid the risk because the LED that gold thread open circuit causes opens a way, thermal resistance is reduced to minimum simultaneously; And on the basis of eutectic welding, the full cascaded structure of single channel is coordinated (to be all together in series by all LED in LED luminescence chip, form a single loop), any LEDs is short-circuited fault, all can not affect electric current and the voltage distribution of other LED, namely other LED according to normal mode of operation, thus can also extend the life cycle of module.
Further, described lower chamber is provided with groove, described upper cavity is provided with projection, the groove of described lower chamber and this protruding snap-fit engagement.
Further, described upper cavity is fixedly connected with described lower chamber by screw.
Further, described constant-current driven module selects SLM2842S booster type constant flow module.
Further, described electrostatic defending module is the electrostatic protection device with TVS bridge-type protection circuit.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram with the high reliability LED street lamp of antistatic protection function that the utility model provides.
In figure, 1, cavity; 11, upper cavity; 12, lower chamber; 121, passage; 2, module type LED radiator; 3, ceramic substrate; 4, LED luminescence chip; 5, LED light emission lens; 6, constant-current driven module; 7, electrostatic defending module.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
Please refer to shown in Fig. 1, the utility model provides a kind of high reliability LED street lamp with antistatic protection function, comprises cavity 1, module type LED radiator 2, ceramic substrate 3, LED luminescence chip 4, LED light emission lens 5, constant-current driven module 6 and electrostatic defending module 7, wherein, described cavity 1 comprises upper cavity 11 and the lower chamber 12 with upper cavity 11 secure fit, the side of described lower chamber 12 is provided with passage 121, described lower chamber 12 is provided with installation groove, module type LED radiator 2 is installed with in this installation groove, described ceramic substrate 3 is arranged on above module type LED radiator 2, LED in described LED luminescence chip 4 connects for the full cascaded structure of single channel, and directly LED luminescence chip 4 eutectic is welded on ceramic substrate 3 by gold goal, described LED light emission lens 5 is arranged on above LED luminescence chip 4, described module type LED radiator 2, ceramic substrate 3, LED luminescence chip 4 and LED light emission lens 5 are fixedly mounted in the installation groove of described lower chamber 12, described LED luminescence chip 4 is electrically connected with constant-current driven module 6, described electrostatic defending module 7 is connected in parallel in LED luminescence chip 4.
The high reliability LED street lamp of what the utility model provided have antistatic protection function, by module type LED radiator, the heat that the LED luminescence chip be arranged on ceramic substrate produces is disperseed, and exchanged by the passage of lower chamber side and the air of outside, thus effectively improve the radiating effect of LED luminescence chip, improve the radiating efficiency of whole LED street lamp; LED luminescence chip is electrically connected with constant-current driven module, ensure that the stability of driving power, and is connected in parallel into electrostatic protection module in LED luminescence chip, thus effectively ensure that LED street lamp is not easily damaged; Adopt the welding of gold goal direct eutectic to replace gold thread of the prior art to connect, thus avoid the risk because the LED that gold thread open circuit causes opens a way, thermal resistance is reduced to minimum simultaneously; And on the basis of eutectic welding, the full cascaded structure of single channel is coordinated (to be all together in series by all LED in LED luminescence chip, form a single loop), any LEDs is short-circuited fault, all can not affect electric current and the voltage distribution of other LED, namely other LED according to normal mode of operation, thus can also extend the life cycle of module.
As specific embodiment, described lower chamber 12 is provided with groove, described upper cavity 11 is provided with projection, the groove of described lower chamber and this protruding snap-fit engagement.Particularly, as a kind of embodiment, the top edge of lower chamber arranges a circle groove, preset a circle at the lower limb of upper cavity protruding, the lower limb of described upper cavity snaps fit onto in this groove, thus realizes the snap-fit engagement of upper cavity and lower chamber.
As specific embodiment, described lower chamber 12 is provided with lower screwed hole, described upper cavity 11 is provided with upper screwed hole, the lower screwed hole of described lower chamber and this upper screwed hole are fixedly connected with by screw and coordinate.Particularly, as a kind of embodiment, lower chamber arranges lower screwed hole, upper cavity 11 arranges upper screwed hole, screw is extend in upper screwed hole through after the lower screwed hole of described lower chamber again, thus realize upper cavity and lower chamber be fixedly connected with cooperation.
As specific embodiment, described constant-current driven module selects SLM2842S booster type constant flow module.As a kind of embodiment, the LED street lamp that the utility model provides is solar street light, the maximum feature of solar LED street lamp be exactly it normally by battery-driven, and the Some features of battery needs to consider, such as battery only has the voltage of several regulation, 12V the most often uses, because it is the normal voltage of automobile batteries, 24V just needs with two series connection, and 36V is just more rare, for this reason, in solar LED street lamp, the constant-current driven module adopting booster type is often needed.For constant flow module, no matter be booster type or voltage-dropping type, only have when output voltage is closest to input voltage time, most effective.And output voltage is determined by load usually, be seldom change, so when input voltage changes within the scope of one, its efficiency also and then change.For SLM2842S booster type constant flow module, if power output is 27 watts, so step-up ratio is more close to 1, and efficiency is higher, and the temperature rise of chip is lower, and life and reliability is also higher.
As specific embodiment; described electrostatic defending module 7 is for having TVS (TransientVoltageSuppressor; transient voltage TVS) electrostatic protection device of bridge-type protection circuit; and electrostatic defending module 7 is connected in parallel in LED luminescence chip 4; effectively can suppress the generation of electrostatic thus; and accelerate electrostatic leakage, carry out electrostatic neutralization, ensure that the LED luminescence chip in LED street lamp is not easily damaged.
These are only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing the utility model description and accompanying drawing content to do; directly or indirectly be used in the technical field that other are relevant, all in like manner within scope of patent protection of the present utility model.
Claims (5)
1. there is a high reliability LED street lamp for antistatic protection function, it is characterized in that, comprise cavity, module type LED radiator, ceramic substrate, LED luminescence chip, LED light emission lens, constant-current driven module and electrostatic defending module, wherein, described cavity comprises upper cavity and the lower chamber with upper cavity secure fit, the side of described lower chamber is provided with passage, described lower chamber is provided with installation groove, module type LED radiator is installed with in this installation groove, described ceramic substrate is arranged on above module type LED radiator, LED in described LED luminescence chip connects for the full cascaded structure of single channel, and directly LED luminescence chip eutectic is welded on ceramic substrate by gold goal, described LED light emission lens is arranged on above LED luminescence chip, described module type LED radiator, ceramic substrate, LED luminescence chip and LED light emission lens are fixedly mounted in the installation groove of described lower chamber, described LED luminescence chip is electrically connected with constant-current driven module, described electrostatic defending wired in parallel connects in LED luminescence chip.
2. the high reliability LED street lamp with antistatic protection function according to claim 1, is characterized in that, described lower chamber is provided with groove, and described upper cavity is provided with projection, the groove of described lower chamber and this protruding snap-fit engagement.
3. the high reliability LED street lamp with antistatic protection function according to claim 1, it is characterized in that, described upper cavity is fixedly connected with described lower chamber by screw.
4. the high reliability LED street lamp with antistatic protection function according to claim 1, is characterized in that, described constant-current driven module selects SLM2842S booster type constant flow module.
5. the high reliability LED street lamp with antistatic protection function according to claim 1, is characterized in that, described electrostatic defending module is the electrostatic protection device with TVS bridge-type protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739467.8U CN204986691U (en) | 2015-09-22 | 2015-09-22 | High reliability LED street lamp with electrostatic protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739467.8U CN204986691U (en) | 2015-09-22 | 2015-09-22 | High reliability LED street lamp with electrostatic protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204986691U true CN204986691U (en) | 2016-01-20 |
Family
ID=55121059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520739467.8U Expired - Fee Related CN204986691U (en) | 2015-09-22 | 2015-09-22 | High reliability LED street lamp with electrostatic protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204986691U (en) |
-
2015
- 2015-09-22 CN CN201520739467.8U patent/CN204986691U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201203034Y (en) | Microcomputer solar electric power generation drive high power LED lighting lamp | |
| CN101532635B (en) | Solar power driving large-power LED lighting lamp of microcomputer | |
| CN102510605B (en) | Novel LED (light emitting diode) driving circuit and drive method | |
| CN202551459U (en) | LED (Light Emitting Diode) driving power supply module for silicon controlled regulating circuit | |
| CN204377198U (en) | Adopt constant current driver circuit for LED and the device of Dual Drive unit | |
| CN105072745A (en) | Method for extending LED light source service life and device | |
| CN204986691U (en) | High reliability LED street lamp with electrostatic protection function | |
| CN204962489U (en) | High reliability LED street lamp | |
| CN101742785A (en) | Intelligent dimming three-primary-color LED street lamp controller | |
| CN201667745U (en) | Intelligent dimming tricolor LED streetlamp controller | |
| CN204986698U (en) | High reliability LED street lamp with surge electrostatic protection function | |
| CN103486499A (en) | Intelligent-management LED street light with assembled modules | |
| CN204943237U (en) | A kind of LED module type road lamp | |
| CN202014403U (en) | Temperature self-adaptation control system based on digital AC direct drive LED light source | |
| CN202759628U (en) | LED illuminating lamp circuit | |
| CN201330987Y (en) | Energy conservation high-power LED light source lamp for road | |
| CN202065857U (en) | LED streetlamp | |
| CN202679701U (en) | Novel LED drive circuit | |
| CN201206798Y (en) | Lamp for modulating light by adaptive pulse-width modulation technology | |
| CN204962511U (en) | High reliability LED street lamp with surge safeguard function | |
| CN204559946U (en) | Parking lot LED illumination System | |
| CN204477906U (en) | A kind of Multifunctional new-energy combination lamp | |
| CN204986755U (en) | LED street lamp with surge electrostatic protection function | |
| CN204986752U (en) | LED street lamp with surge electrostatic protection function | |
| CN203243575U (en) | High-power LED lighting driver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |