CN205017647U - LED lamp constant power control system - Google Patents
LED lamp constant power control system Download PDFInfo
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- CN205017647U CN205017647U CN201520703871.XU CN201520703871U CN205017647U CN 205017647 U CN205017647 U CN 205017647U CN 201520703871 U CN201520703871 U CN 201520703871U CN 205017647 U CN205017647 U CN 205017647U
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Abstract
The utility model relates to a control system, more specifically says and relates to a LED lamp constant power control system, and the switch that the single chip microcomputer control LED lamp of pulse width modulation signal can be sent out in the utilization has saved the pulse width modulation circuit, and LED lamp current feedback to the singlechip of will working, has realized constant power control, and it is more steady to work. The remote controller is used for controlling the switch of LED banks. Infrared module is transmitted to button decoder module after handling received infrared signal. Button decoder module is used for infrared signal decode, and corresponding triggering signal to singlechip is exported to discernment button information. The singlechip is received signal processing and is exported the switch of control command control LED banks. Digital analog converter turns into analog signal with received data signal and supplies drive circuit discernment. Drive circuit enlargies the received signal, improves the driving force of signal. Sampling circuit samples and information transfer to the adc that will sample to the electric current information of LED banks.
Description
Technical field
The utility model relates to a kind of control system, more specifically to a kind of LED power limitation control system.
Background technology
Current monomer LED power great majority are on the market at below 1w, high-power LED is less, and construction unit too pursues high brightness and is difficult to provide enough large range of choice to designer in urban night view lighting, if by tens monomer LED combination, its cost will increase greatly.But, in recent years along with the improvement of production technology and lifting a ban of various patented technology, manufacturing cost sharply declines, LED illumination lamp just towards the future development of high efficiency, low cost, for LED provides advantage in the extensive use of lighting field.But LED control system control mode is comparatively dull at present, and control device is more original.LED manufacturing enterprise should pay attention to the application of microelectric technique in light source control field, the way of LED outdoor large display screen can be used for reference, realize controlling the luminous gray scale of several LED luminescence units by duty ratio mode, adopt embedded microcontroller, realize independently Digital Control, make it produce the display effect of full-color change.
Utility model content
The technical problem that the utility model mainly solves is: provide a kind of LED power limitation control system, utilization can send out the switch of the Single-chip Controlling LED of pulse width modulating signal, eliminate pulse width modulation circuit, and operating current is fed back to single-chip microcomputer by LED, achieve power limitation control, work more steady.
For solving the problems of the technologies described above, the utility model relates to a kind of control system, more specifically to a kind of LED power limitation control system, comprise remote controller, infrared module, button decoder module, single-chip microcomputer, digital to analog converter, drive circuit, LED group, sample circuit and analog to digital converter, utilization can send out the switch of the Single-chip Controlling LED of pulse width modulating signal, eliminate pulse width modulation circuit, and operating current is fed back to single-chip microcomputer by LED, achieve power limitation control, work more steady.
Remote controller and infrared module communicate, and remote controller provides control button, and button commands is converted into infrared signal is passed to infrared module, and remote controller is for controlling the switch of LED group.Infrared module is connected with button decoder module and single-chip microcomputer, infrared module sends infrared ray, is passed to button decoder module by after the infrared signal process received.Button decoder module output is connected with single-chip microcomputer, and button decoder module is used for decoding to infrared signal, and key range information also exports corresponding triggering signal to single-chip microcomputer.Single-chip microcomputer receives processing signals and exports the switch that control command controls LED group.Digital to analog converter one end is connected with single-chip microcomputer, and the other end is connected with drive circuit, and the digital signal received is converted into analog signal for drive circuit identification by digital to analog converter.Drive circuit output is connected with LED group, and the signal received amplifies by drive circuit, improves the driving force of signal.Sample circuit one end is connected with analog to digital converter, the other end is connected with LED group, analog to digital converter is connected with single-chip microcomputer, the current information of sample circuit to LED group is sampled and sample information is passed to analog to digital converter, and analog to digital converter feeds back to single-chip microcomputer after information is carried out digitized processing.
As the further optimization of this programme, the infrared module that the infrared module described in a kind of LED power limitation control of the utility model system selects Mai Lai core Science and Technology Ltd. to produce, its model is MLX90614.
As the further optimization of this programme, the single-chip microcomputer that the single-chip microcomputer described in a kind of LED power limitation control of the utility model system selects Ai Te Mel Co., Ltd to produce, its model is AT90PWM316.
As the further optimization of this programme, the analog to digital converter that the analog to digital converter described in a kind of LED power limitation control of the utility model system selects Texas Instruments, Inc to produce, its model is AD7606BSTZ.
As the further optimization of this programme, the digital to analog converter that the digital to analog converter described in a kind of LED power limitation control of the utility model system selects Texas Instruments, Inc to produce, its model is TLC5615CP.
As the further optimization of this programme, in the LED group described in a kind of LED of the utility model power limitation control system, comprise multiple LED.
The beneficial effect of a kind of LED power limitation control of the utility model system is:
A. circuit design is simplified;
B. power limitation control is achieved.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of LED power limitation control of the utility model system.
Embodiment
In FIG, the utility model relates to a kind of control system, more specifically to a kind of LED power limitation control system, comprise remote controller, infrared module, button decoder module, single-chip microcomputer, digital to analog converter, drive circuit, LED group, sample circuit and analog to digital converter, utilization can send out the switch of the Single-chip Controlling LED of pulse width modulating signal, eliminate pulse width modulation circuit, and operating current is fed back to single-chip microcomputer by LED, achieve power limitation control, work more steady.
Remote controller and infrared module communicate, and remote controller provides control button, and button commands is converted into infrared signal is passed to infrared module, and remote controller is for controlling the switch of LED group.Multiple LED is comprised in LED group.People utilize the on off state of the LED that the different key on remote controller can be different in control LED group.
The infrared module that infrared module selects Mai Lai core Science and Technology Ltd. to produce, its model is MLX90614.Infrared module is connected with button decoder module and single-chip microcomputer, infrared module sends infrared ray, is passed to button decoder module by after the infrared signal process received.Button decoder module output is connected with single-chip microcomputer, and button decoder module is used for decoding to infrared signal, and key range information also exports corresponding triggering signal to single-chip microcomputer.Little and the compatible pulse width modulating signal of remodeling infrared module volume, had both reduced to have taken up room and can mate with single-chip microcomputer.And Signal transmissions precision is high, ensure that accurate reception and the identification of infrared signal.Button decoder module controls different pin according to different key informations and exports triggering signal to single-chip microcomputer, for single-chip microcomputer key range information.
The single-chip microcomputer that single-chip microcomputer selects Ai Te Mel Co., Ltd to produce, its model is AT90PWM316.Single-chip microcomputer receives processing signals and exports the switch that control command controls LED group.The distinguishing feature of this single-chip microcomputer is high-performance, high speed and low-power consumption.Single-chip microcomputer has the aspect advantage such as sleep mode of high-quality FLASH program storage, EEPROM data storage, the timer/counter of functional diversities, reliably watchdog timer, reset circuit by all kinds of means and multiple choices, makes its reliable in function.AT90PWM316 type single-chip microcomputer has the specialized circuitry that directly can produce 3 road pwm signals due to it, and timer/counter need not be relied on to produce pwm signal.
The digital to analog converter that digital to analog converter selects Texas Instruments, Inc to produce, its model is TLC5615CP.Digital to analog converter one end is connected with single-chip microcomputer, and the other end is connected with drive circuit, and the digital signal received is converted into analog signal for drive circuit identification by digital to analog converter.Drive circuit output is connected with LED group, and the signal received amplifies by drive circuit, improves the driving force of signal.Drive circuit receives the pulse width modulating signal of single-chip microcomputer and driving LED lamp group carries out luminescence.
Sample circuit one end is connected with analog to digital converter, the other end is connected with LED group, analog to digital converter is connected with single-chip microcomputer, the current information of sample circuit to LED group is sampled and sample information is passed to analog to digital converter, and analog to digital converter feeds back to single-chip microcomputer after information is carried out digitized processing.The analog to digital converter that analog to digital converter selects Texas Instruments, Inc to produce, its model is AD7606BSTZ.Current signal is fed back to single-chip microcomputer by sample circuit, single-chip microcomputer obtains the size of electric current after processing signal, and compare rear output pulse width modulation signal to drive circuit with set point, and then the stable regulation that realization is carried out LED group power, another LED group power stability, on certain branch, makes LED group steadily luminous.
Certain above-mentioned explanation is not limitation of the utility model; the utility model is also not limited only to above-mentioned citing; the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also belong to protection range of the present utility model.
Claims (6)
1. a LED power limitation control system, comprise remote controller, infrared module, button decoder module, single-chip microcomputer, digital to analog converter, drive circuit, LED group, sample circuit and analog to digital converter, it is characterized in that: remote controller and infrared module communicate, remote controller provides control button, and button commands is converted into infrared signal is passed to infrared module, remote controller is for controlling the switch of LED group; Infrared module is connected with button decoder module and single-chip microcomputer, infrared module sends infrared ray, is passed to button decoder module by after the infrared signal process received; Button decoder module output is connected with single-chip microcomputer, and button decoder module is used for decoding to infrared signal, and key range information also exports corresponding triggering signal to single-chip microcomputer; Single-chip microcomputer receives processing signals and exports the switch that control command controls LED group; Digital to analog converter one end is connected with single-chip microcomputer, and the other end is connected with drive circuit, and the digital signal received is converted into analog signal for drive circuit identification by digital to analog converter; Drive circuit output is connected with LED group, and the signal received amplifies by drive circuit, improves the driving force of signal; Sample circuit one end is connected with analog to digital converter, the other end is connected with LED group, analog to digital converter is connected with single-chip microcomputer, the current information of sample circuit to LED group is sampled and sample information is passed to analog to digital converter, and analog to digital converter feeds back to single-chip microcomputer after information is carried out digitized processing.
2. a kind of LED power limitation control system according to claim 1, it is characterized in that: the infrared module that described infrared module selects Mai Lai core Science and Technology Ltd. to produce, its model is MLX90614.
3. a kind of LED power limitation control system according to claim 1, it is characterized in that: the single-chip microcomputer that described single-chip microcomputer selects Ai Te Mel Co., Ltd to produce, its model is AT90PWM316.
4. a kind of LED power limitation control system according to claim 1, it is characterized in that: the analog to digital converter that described analog to digital converter selects Texas Instruments, Inc to produce, its model is AD7606BSTZ.
5. a kind of LED power limitation control system according to claim 1, it is characterized in that: the digital to analog converter that described digital to analog converter selects Texas Instruments, Inc to produce, its model is TLC5615CP.
6. a kind of LED power limitation control system according to claim 1, is characterized in that: comprise multiple LED in described LED group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703871.XU CN205017647U (en) | 2015-09-11 | 2015-09-11 | LED lamp constant power control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703871.XU CN205017647U (en) | 2015-09-11 | 2015-09-11 | LED lamp constant power control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017647U true CN205017647U (en) | 2016-02-03 |
Family
ID=55216228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520703871.XU Expired - Fee Related CN205017647U (en) | 2015-09-11 | 2015-09-11 | LED lamp constant power control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205017647U (en) |
-
2015
- 2015-09-11 CN CN201520703871.XU patent/CN205017647U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Feiyan Inventor before: Wang Liangyuan |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170103 Address after: 528447 Guangdong city of Zhongshan Province port town of new northbound lane two No. 18 first floor four Patentee after: Zhongshan with the photoelectric technology Co., Ltd. Address before: Nanhua road Tianhe street 325025 Zhejiang Province, Wenzhou City Economic and Technological Development Zone No. 15 Building 5 Patentee before: Wang Liangyuan |
|
| 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: 20160203 Termination date: 20170911 |