CN204836648U - LED drive circuit with long -range WIFI control function - Google Patents
LED drive circuit with long -range WIFI control function Download PDFInfo
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- CN204836648U CN204836648U CN201520275834.3U CN201520275834U CN204836648U CN 204836648 U CN204836648 U CN 204836648U CN 201520275834 U CN201520275834 U CN 201520275834U CN 204836648 U CN204836648 U CN 204836648U
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Abstract
The utility model provides a LED drive circuit with long -range WIFI control function. It includes WIFI wireless module, MCU single -chip module, LED drive circuit module and network server. The LED drive circuit module includes voltage stabilizing circuit, low pressure supply circuit, RC wave filter, control chip and turns over and swash the formula circuit. But networking device such as computer, cell -phone and flat board pass through internet access to network server, MCU single -chip module passes through that UART is connected with the WIFI module and to its configuration, makes it can be connected to appointed WIFI website to through TCPIP agreement and network server communication, instruction that network server was received through the WIFI module to the MCU singlechip produces corresponding PWM wave form, and this PWM wave form passes through to produce behind the RC wave filter reference voltage, LED drive circuit adjusts the control that thereby the luminance of LED lamp was realized to the output current peak value through above -mentioned reference voltage. The system can realize the luminance of long -range regulation LED lamp to the trouble of wiring has been removed from to its WIFI connection mode.
Description
Technical field
The utility model relates to field of LED drive, particularly based on the LED control system field that WIFI controls.
Background technology
Light-emitting diode is called for short LED, and it is high that it has luminous efficiency, and the feature of long service life, is therefore widely used in life lighting and industrial lighting etc.Due to the constant-current characteristics of LED, the method for Current Control must be adopted to control LED luminance.The brightness of most of LED cannot regulate on the market at present, thus in use, has inconvenience.In addition due to the rise of Smart Home concept, remote control home electrical appliance becomes a kind of trend, and the household electrical appliance that can realize Long-distance Control also move towards market gradually.
Utility model content
The purpose of this utility model is can not the shortcoming of light modulation to improve existing LED drive power, and according to Smart Home design concept, provides a kind of LED drive power controlled with long-range WIFI.
To achieve these goals, the utility model have employed following design:
With a LED drive circuit for long-range WIFI controlling functions, comprise WIFI wireless module, MCU one-chip computer module, LED drive circuit module and the webserver; Described WIFI module can be connected to neighbouring WIFI website and realize network communication by this website; Described MCU one-chip computer module carries out communication by UART asynchronous communication interface and described WIFI module, and reads the instruction that WIFI module receives and export corresponding PWM waveform; Described LED drive power is using pwm signal filtering and produce analog voltage as reference voltage, then regulates the output current of LED drive power according to this reference voltage, thus realizes the control of LED brightness; The described webserver connects the communication of equipment such as realizing computer, mobile phone and flat board and WIFI module by network.
Described WIFI module comprises ESP8266 chip and peripheral circuit.
Described MCU one-chip computer module comprises ARDUINOUNO development board and ATMEGA328P chip.
Described LED drive circuit comprises voltage stabilizing circuit, low-voltage power supply circuit, RC filter, NCL30082 control chip and reverse excitation circuit.
The described webserver comprises the yeelink webserver.
The utility model has following characteristics and effect relative to prior art:
The design can realize WIFI and connect and Long-distance Control, real user can be allowed to control LED drive power in strange land by network, achieve intelligentized control method, and its WIFI connected mode can save the trouble of wiring, saves installation cost; Described LED drive circuit can realize brightness regulation, adds the practicality of LED.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the utility model embodiment.
Fig. 2 is the LED drive power circuit figure of the utility model embodiment.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model execution mode is explained in detail, but execution mode of the present utility model is not limited thereto.
Embodiment
Fig. 1 is the LED drive circuit with long-range WIFI controlling functions, comprises WIFI wireless module (3), MCU singlechip control module (4), LED drive circuit module (11) and the webserver (2).
The described webserver (2) is yeelink server, and it can provide interface for Smart Home, realizes Long-distance Control.Specific implementation is can realize the equipment connection of networking to yeelink server by computer, mobile phone and flat board etc., and sends instruction to this server.Described mobile phone, computer, flat board etc. can be connected to network by WIFI signal by networked devices (1), and are carried out communication by the Internet and the webserver (2) and carried out exchanges data.
Described MCU one-chip computer module (4) to be connected with WIFI module (3) by UART asynchronous communication means and to configure it, make WIFI website that WIFI module (3) connection is specified and communicated with the webserver (2) by ICP/IP protocol, thus realizing the exchange of information between MCU single-chip microcomputer (4) and the webserver (2).MCU single-chip microcomputer (4) is connected to network by WIFI module (3), and reads the parameter on the webserver (2), and produces the PWM waveform of different duty according to respective rule.
Described LED drive circuit (11) comprises voltage stabilizing circuit (6), low-voltage power supply circuit (5), RC filter (9), reverse excitation circuit (7) and control chip (8), and its control chip is NCL30082.The voltage stabilizing of 220V ac voltage rectifier is direct voltage by described voltage stabilizing circuit (6); Direct voltage is carried out dividing potential drop by low-voltage power supply circuit (5), for MCU single-chip microcomputer provides power supply; The PWM waveform that MCU single-chip microcomputer (4) produces is carried out filtering by RC filter (9), and produce analog voltage signal, this signal is as the benchmark of LED drive power brightness regulation; Control chip (8) regulates the output current peak value of reverse excitation circuit (7) according to described analog voltage signal, thus realizes the control of LED (10) brightness.
Fig. 2 is the circuit diagram of LED drive circuit, and main circuit comprises rectification module and inverse-excitation type module, and control circuit comprises NCL30082 control chip.
Claims (6)
1. with a LED drive circuit for long-range WIFI controlling functions, it is characterized in that, comprising: WIFI wireless module, MCU singlechip control module, LED drive circuit module and the webserver; Described WIFI module can receive WIFI signal, and sends command adapted thereto to MCU singlechip control module; The signal that described MCU singlechip control module receives by analyzing WIFI module, produces pwm signal, and passes to LED drive circuit; The signal that MCU singlechip control module produces by described LED drive circuit module, as its luminance reference, regulates the brightness of LED; The described webserver is connected by network, the control signal of networked devices as computer, mobile phone and flat board can pass to WIFI module.
2. the LED drive circuit with long-range WIFI controlling functions according to claim 1, it is characterized in that: described WIFI module comprises ESP8266 chip, this block search is also connected to the WIFI website of specifying, and the control signal received is passed to described MCU singlechip control module by the mode of UART asynchronous communication.
3. the LED drive circuit with long-range WIFI controlling functions according to claim 1, it is characterized in that: described MCU singlechip control module comprises ARDUINOUNO development board and ATMEGA328P chip, chip internal write control program, enables described WIFI module carry out communication by WIFI signal and the described webserver by ICP/IP protocol.
4. the LED drive circuit with long-range WIFI controlling functions according to claim 1, is characterized in that: described LED drive circuit module comprises voltage stabilizing circuit, low-voltage power supply circuit, RC filter, NCL30082 control chip and reverse excitation circuit.
5. LED drive circuit module according to claim 4, it is characterized in that: the pwm signal that described MCU singlechip control module produces is by after RC filter, the analog signal produced gives described NCL30082 chip as luminance reference signal transmission, described NCL30082 chip controls the peak current of described reverse excitation circuit according to luminance reference, thus realizes the brightness of control LED.
6. the LED drive circuit with long-range WIFI controlling functions according to claim 1, it is characterized in that: the described webserver uses the yeelink webserver, can by can networked devices as computer, mobile phone and flat board be connected to as described in the webserver, and to webserver sending controling instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275834.3U CN204836648U (en) | 2015-04-29 | 2015-04-29 | LED drive circuit with long -range WIFI control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275834.3U CN204836648U (en) | 2015-04-29 | 2015-04-29 | LED drive circuit with long -range WIFI control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204836648U true CN204836648U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520275834.3U Expired - Fee Related CN204836648U (en) | 2015-04-29 | 2015-04-29 | LED drive circuit with long -range WIFI control function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023880A (en) * | 2016-07-14 | 2016-10-12 | 成都安程通科技有限公司 | Electronic display screen system based on remote control |
| CN106793272A (en) * | 2016-12-09 | 2017-05-31 | 黄石德龙自动化科技有限公司 | A kind of wisdom lamp and its implementation based on mobile phone control |
| WO2018112906A1 (en) * | 2016-12-23 | 2018-06-28 | 惠州市优科光电科技有限公司 | Intelligent control device of led lamp |
| CN109041334A (en) * | 2018-07-23 | 2018-12-18 | 六安名家汇光电科技有限公司 | A kind of intelligent road lamp system |
| CN109922577A (en) * | 2019-04-15 | 2019-06-21 | 电子科技大学中山学院 | LED lamp area wireless controller |
| CN112087841A (en) * | 2020-09-02 | 2020-12-15 | 六安市国能光电照明有限公司 | Remote control system of high-power LED mining lamp |
-
2015
- 2015-04-29 CN CN201520275834.3U patent/CN204836648U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023880A (en) * | 2016-07-14 | 2016-10-12 | 成都安程通科技有限公司 | Electronic display screen system based on remote control |
| CN106793272A (en) * | 2016-12-09 | 2017-05-31 | 黄石德龙自动化科技有限公司 | A kind of wisdom lamp and its implementation based on mobile phone control |
| WO2018112906A1 (en) * | 2016-12-23 | 2018-06-28 | 惠州市优科光电科技有限公司 | Intelligent control device of led lamp |
| CN109041334A (en) * | 2018-07-23 | 2018-12-18 | 六安名家汇光电科技有限公司 | A kind of intelligent road lamp system |
| CN109922577A (en) * | 2019-04-15 | 2019-06-21 | 电子科技大学中山学院 | LED lamp area wireless controller |
| CN112087841A (en) * | 2020-09-02 | 2020-12-15 | 六安市国能光电照明有限公司 | Remote control system of high-power LED mining lamp |
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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: 20151202 Termination date: 20160429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |