CN202153798U - LED streetlamp automatic intelligent temperature-limiting protection device - Google Patents
LED streetlamp automatic intelligent temperature-limiting protection device Download PDFInfo
- Publication number
- CN202153798U CN202153798U CN2011202626312U CN201120262631U CN202153798U CN 202153798 U CN202153798 U CN 202153798U CN 2011202626312 U CN2011202626312 U CN 2011202626312U CN 201120262631 U CN201120262631 U CN 201120262631U CN 202153798 U CN202153798 U CN 202153798U
- Authority
- CN
- China
- Prior art keywords
- led
- temperature
- mcu controller
- street lamp
- limitation device
- 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
Images
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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present utility model relates to an LED streetlamp automatic real-time intelligent temperature-limiting protection device, especially to an LED lamp bead temperature-limiting protection device and a switch automatic temperature-limiting protection device. The LED streetlamp automatic intelligent temperature-limiting protection device is composed of a power supply circuit, and an LED drive circuit and an MCU controller electrically connected with the power supply circuit, and a plurality of LED lamps are connected with the LED drive circuit. An LED lamp temperature sensor for detecting the change of the LED lamp body temperature and sending signals to the MCU controller to adjust the brightness of the LED lamps, and an LED lamp source switch temperature sensor for detecting the change of the LED lamp source switch temperature and sending signals to the MCU controller to adjust the brightness of the LED lamps are respectively connected with the MCU controller. The LED streetlamp automatic intelligent temperature-limiting protection device is provided to overcome the shortages of the prior art, and by adopting the device, the phenomenon that the LED lamp temperature is too high and chips are burnt can be avoided.
Description
[technical field]
The utility model relates to a kind of automatic time intelligence protected by temperature limitation device of LED street lamp, especially relates to the automatic protected by temperature limitation device of LED lamp pearl protected by temperature limitation device and switch.
[background technology]
Street lamp is the chief component of city illumination engineering, and at night, the illumination of street lamp plays important effect, but street lamp is when playing an important role, and is also consuming a large amount of energy.Though street lamp is changed to the LED illumination by traditional high-pressure sodium lamp gradually; But the common LED street lamp has just improved the conversion efficiency of electric energy to luminous energy; The luminescent wafer of LED lamp is prone to cause light emission rate low under hot environment because stronger temperature characterisitic is arranged, and very causes damage; It is too high and the problem of scaling loss occurs in long-term work, to occur Yin Wendu easily.Simultaneously, the Switching Power Supply of LED lamp is not paid close attention to the other side's situation mutually owing to independent fully with LED lamp pearl, under condition of overhigh temperature, wears out very to cause easily yet and burns.
The utility model is exactly to make in view of the situation.
[utility model content]
The utility model has overcome the deficiency of prior art, and a kind of LED street lamp intelligence protected by temperature limitation device that can avoid the too high and scaling loss chip of LED lamp Yin Wendu is provided.
The utility model adopts following technical scheme for solving the problems of the technologies described above:
A kind of automated intelligent protected by temperature limitation device of LED street lamp; Include power circuit and led drive circuit that is connected with power circuit and MCU controller; On led drive circuit, be connected with the LED multi-path lamp, it is characterized in that on described MCU controller, being connected with respectively can detect LED lamp body variation of temperature and with signal send to the MCU controller with the LED light temperature transducer of regulating the brightness of LED multi-path lamp with can detect LED lamp source switch variations in temperature and send signal to the MCU controller to regulate the LED lamp source switch temperature sensor of LED multi-path lamp brightness.
The automated intelligent protected by temperature limitation device of aforesaid a kind of LED street lamp is characterized in that described LED light temperature transducer comprises that thermistor is arranged.
The automated intelligent protected by temperature limitation device of aforesaid a kind of LED street lamp is characterized in that described LED lamp source switch temperature sensor includes thermal module.
The automated intelligent protected by temperature limitation device of aforesaid a kind of LED street lamp; It is characterized in that described led drive circuit includes PWM pulse-width modulation circuit group and constant-current control circuit group; The input of described PWM pulse-width modulation circuit group links to each other with the output of MCU controller, and the output of described constant-current control circuit group links to each other with the input of LED multi-path lamp.
The automated intelligent protected by temperature limitation device of aforesaid a kind of LED street lamp is characterized in that described PWM pulse-width modulation circuit includes the octuple anti-phase buffer module that can the signal that the MCU controller sends be transferred to ternary output.
The automated intelligent protected by temperature limitation device of aforesaid a kind of LED street lamp is characterized in that described constant-current control circuit group includes constant flow module.
The automated intelligent protected by temperature limitation device of aforesaid a kind of LED street lamp is characterized in that on described MCU controller, being connected with the fan circuit of its heat that can leave fast.
The automated intelligent protected by temperature limitation device of aforesaid a kind of LED street lamp is characterized in that described MCU controller is a MCU control chip.
The utility model compared with prior art has following advantage:
The utility model is employed on the MCU controller and is connected with temperature sensor; Temperature sensor is passed to the MCU controller with the temperature real time data of the LED lamp body that detects; The MCU controller is through produce the brightness of pwm signal adjustment LED multi-path lamp at once after the analysis and judgement, this temperature sensor is installed in is close to LED lamp pearl on the aluminium base, can reach to make the purpose of LED lamp long-term work under suitable limiting temperature; Avoid the too high scaling loss led chip of temperature, reduced the fault of LED lamp.
LED lamp power supply temperature sensor is passed to the MCU controller with the Switching Power Supply temperature real time data that detects; The MCU controller is through produce the brightness of pwm signal adjustment LED multi-path lamp at once after the analysis and judgement; The minimizing power source loads reduces temperature, can reach to make Switching Power Supply be operated in the purpose under the suitable limiting temperature; Avoid the too high scaling loss Switching Power Supply of temperature, reduced the fault of Switching Power Supply.
This protective device is when temperature is high, and PWM duty ratio (automatic current limiting) that can intelligent regulating impulse electric current is treated to recover running current again after temperature descends to reduce temperature, has avoided the too high scaling loss to LED lamp and LED lamp source switch of temperature, the minimizing fault.
[description of drawings]
Fig. 1 is the utility model circuit frame figure;
Fig. 2 is the utility model circuit diagram;
Fig. 3 is the utility model circuit diagram.
[embodiment]
Below in conjunction with accompanying drawing the utility model is elaborated:
A kind of intelligent electric-saving device of LED street lamp; Include power circuit 1 and led drive circuit 2 that is connected with power circuit 1 and MCU controller 3; On led drive circuit 2, be connected with LED multi-path lamp 4, on described MCU controller 3, also be connected with the variation that can detect ambient temperature and with signal send to MCU controller 3 with the LED light temperature transducer 5 of regulating 4 brightness of LED multi-path lamp with can detect LED lamp source switch variations in temperature and send signal to MCU controller 3 to regulate the LED lamp source switch temperature sensor 6 of LED multi-path lamp 4 brightness.
Described LED light temperature transducer 5 comprises thermistor RT.Thermistor RT is installed on the aluminium base, can make the long-term work of LED lamp ability under suitable limiting temperature through thermistor RT, has avoided the too high scaling loss led chip of temperature, reduces the fault of LED lamp.
Described LED lamp source switch temperature sensor 6 comprises thermal module U19.Thermal module U19 is installed on the fin of Switching Power Supply, can make the Switching Power Supply long-term work under suitable limiting temperature through thermal module U19, has avoided the too high damage Switching Power Supply of temperature, reduces the fault of Switching Power Supply.
Described led drive circuit 2 includes PWM pulse-width modulation circuit group 21 and constant-current control circuit group 22; The input of described PWM pulse-width modulation circuit group 21 links to each other with the output of MCU controller 3, and the output of described constant-current control circuit group 22 links to each other with the input of LED multi-path lamp 4.Constant-current control circuit can avoid the electric current of PWM pulse-width modulation circuit 21 to exceed maximum rating, influences the reliability of LED multi-path lamp 4.
Described PWM pulse-width modulation circuit 21 includes octuple anti-phase buffer module U3, the U4 that can the signal that MCU controller 3 sends be transferred to ternary output.
Described constant-current control circuit group 22 includes constant flow module U7～U18.
Led drive circuit 2 utilizes single-chip microcomputer to produce pwm signal, drives LED multi-path lamp 4 and throws light on, through regulating the duty ratio of pwm signal, the brightness that just can transfer LED.
On described MCU controller 3, be connected with the fan circuit 7 of its heat that can leave fast.
Described MCU controller 3 is a MCU control chip.
Control the brightness of LED multi-path lamp 4 through the detection of LED light temperature transducer 5, the intelligence computation of MCU controller; When the temperature of aluminium base is high; The brightness of LED lamp is dimmed; Thereby make the LED lamp can reach the purpose of long-term work under suitable limiting temperature, avoided the too high scaling loss led chip of temperature, reduce the fault of LED lamp.
The working temperature of the detection through LED lamp source switch temperature sensor 6, the intelligence computation control switching of MCU controller; When the temperature of fin is high; The brightness of LED lamp is dimmed; Thereby make Switching Power Supply can reach the purpose of long-term work under suitable limiting temperature, avoided the too high damage Switching Power Supply of temperature, reduce the fault of Switching Power Supply.
Claims (8)
1. the automated intelligent protected by temperature limitation device of a LED street lamp; Include power circuit (1) and led drive circuit (2) that is connected with power circuit (1) and MCU controller (3); On led drive circuit (2), be connected with LED multi-path lamp (4), it is characterized in that on described MCU controller (3), being connected with respectively can detect LED lamp body variation of temperature and with signal send to MCU controller (3) with the LED light temperature transducer (5) of regulating LED multi-path lamp (4) brightness with can detect LED lamp source switch variations in temperature and send signal the LED lamp source switch temperature sensor (6) of MCU controller (3) to the brightness of adjusting LED multi-path lamp (4).
2. the automated intelligent protected by temperature limitation device of a kind of LED street lamp according to claim 1 is characterized in that described LED light temperature transducer (5) includes thermistor (RT).
3. the automated intelligent protected by temperature limitation device of a kind of LED street lamp according to claim 1 is characterized in that described LED lamp source switch temperature sensor (6) includes thermal module (U19).
4. the automated intelligent protected by temperature limitation device of a kind of LED street lamp according to claim 1; It is characterized in that described led drive circuit (2) includes PWM pulse-width modulation circuit group (21) and constant-current control circuit group (22); The input of described PWM pulse-width modulation circuit group (21) links to each other with the output of MCU controller (3), and the output of described constant-current control circuit group (22) links to each other with the input of LED multi-path lamp (4).
5. the automated intelligent protected by temperature limitation device of a kind of LED street lamp according to claim 4 is characterized in that described PWM pulse-width modulation circuit (21) includes the octuple anti-phase buffer module (U3, U4) that can the signal that send MCU controller (3) be transferred to ternary output.
6. the automated intelligent protected by temperature limitation device of a kind of LED street lamp according to claim 4 is characterized in that described constant-current control circuit group (22) includes constant flow module (U7～U18).
7. the automated intelligent protected by temperature limitation device of a kind of LED street lamp according to claim 1 is characterized in that on described MCU controller (3), being connected with the fan circuit (7) of its heat that can leave fast.
8. the automated intelligent protected by temperature limitation device of a kind of LED street lamp according to claim 1 is characterized in that described MCU controller (3) is a MCU control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202626312U CN202153798U (en) | 2011-07-23 | 2011-07-23 | LED streetlamp automatic intelligent temperature-limiting protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202626312U CN202153798U (en) | 2011-07-23 | 2011-07-23 | LED streetlamp automatic intelligent temperature-limiting protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202153798U true CN202153798U (en) | 2012-02-29 |
Family
ID=45694291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202626312U Expired - Fee Related CN202153798U (en) | 2011-07-23 | 2011-07-23 | LED streetlamp automatic intelligent temperature-limiting protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202153798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413602A (en) * | 2011-07-23 | 2012-04-11 | 李鸿 | Intelligent limit temperature protection device of LED (light-emitting diode) street lamp |
| CN112333872A (en) * | 2015-02-20 | 2021-02-05 | 豪倍公司 | Light-emitting diode heat return control device and method |
-
2011
- 2011-07-23 CN CN2011202626312U patent/CN202153798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413602A (en) * | 2011-07-23 | 2012-04-11 | 李鸿 | Intelligent limit temperature protection device of LED (light-emitting diode) street lamp |
| CN112333872A (en) * | 2015-02-20 | 2021-02-05 | 豪倍公司 | Light-emitting diode heat return control device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201805574U (en) | Intelligent energy-saving lamp | |
| WO2018032993A1 (en) | Method for energy-saving control within range of initial illumination to specific illumination based on led lamp | |
| CN101511145A (en) | Intelligent operation method of high-power LED lighting lamp | |
| CN201774718U (en) | Tunnel illumination control system with capability of automatic regulation | |
| CN201450642U (en) | LED chip temperature controller and LED lamp lighting system | |
| CN102325404B (en) | Temperature-controllable high-power light-emitting diode (LED) lighting system | |
| CN103096585A (en) | Light emitting diode (LED) intelligent lighting and energy saving control system based on web of things and method | |
| CN102256420A (en) | Intelligent dimming device for LED (light-emitting diode) streetlamp | |
| CN102413602A (en) | Intelligent limit temperature protection device of LED (light-emitting diode) street lamp | |
| CN201774714U (en) | Intelligent automatic temperature-control high power light emitting diode (LED) street lamp control circuit | |
| CN105307350A (en) | Long-service lifetime intelligent constant-current light-modulating driving power supply of LED street lamps | |
| CN202153798U (en) | LED streetlamp automatic intelligent temperature-limiting protection device | |
| CN103813572A (en) | LED fluorescent lamp circuit having induction switch | |
| CN202160310U (en) | Intelligent light modulation device for light modulation by LED street lamp according to ambient light | |
| CN204901396U (en) | An intelligent illuminating lamp | |
| CN203416478U (en) | Intelligent system for controlling luminance of LED lamp | |
| CN202679739U (en) | LED lighting lamp having temperature feedback function | |
| CN203193982U (en) | Combined LED street lamp control device | |
| CN107124793A (en) | A kind of intelligent residential district lighting driving system with adaptive dimming function | |
| CN202168253U (en) | Intelligent electricity-saving device of light-emitting diode (LED) road lamp | |
| CN201742620U (en) | Special intelligent switch power control circuit with automatic temperature control for high power light emitting diode (LED) lighting | |
| CN202721861U (en) | System capable of prolongating life of large-power LED lamp | |
| CN201499358U (en) | Electronic controller of automatic dimming lamp | |
| CN201425219Y (en) | High-power LED outdoor lighting lamp | |
| CN210351737U (en) | LED street lamp drive circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20130723 |