CN107666735A - A kind of LED controller - Google Patents
A kind of LED controller Download PDFInfo
- Publication number
- CN107666735A CN107666735A CN201610618682.1A CN201610618682A CN107666735A CN 107666735 A CN107666735 A CN 107666735A CN 201610618682 A CN201610618682 A CN 201610618682A CN 107666735 A CN107666735 A CN 107666735A
- Authority
- CN
- China
- Prior art keywords
- main control
- chip
- led
- control chip
- pin
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a kind of LED controller, is related to smart home field, including：Main control chip, hardware watchdog circuit, wireless receiving module, LED drive circuit, power module and memory；The output end of wireless receiving module electrically connects with the wireless receiving input of main control chip；LED drive circuit input electrically connects with the PWM output ends of main control chip；Memory electrically connects with the memory interface of main control chip；First output end of hardware watchdog circuit electrically connects with main control chip reseting port, and the guard the gate counting clear input of enough circuits of hardware electrically connects with the timing output of main control chip.The present invention uses hardware watchdog, avoids main control chip program from malfunctioning；The MCU chip of hardware watchdog can be controlled LED load when main control chip fails；A variety of profile modules are stored with memory, facilitate user to select；Drive circuit, LED load electric current stabilization are controlled using pwm signal.
Description
Technical field
The present invention relates to smart home field, more particularly to a kind of LED controller.
Background technology
As technology of Internet of things is applied to various in the continuous development of smart home, increasing wireless technology
Electrical equipment in.Wireless technology has low cost, low-power consumption, an a variety of advantages such as easy to control, and traditional household electrical appliances, often has and pacifies
Full property is higher, better reliability, the advantages that more meeting the use habit of people.Therefore advanced wireless technology is incorporated into tradition
Household electrical appliances in, the use habit of consumer can be more conformed to, the experience of user can be greatly promoted.
For signal light control, mainly line traffic control is in the majority to have at present, and function is single.But as people are to signal light control
Demand variation and be inconvenient to promote multifunction to existing product, intelligent, the development of the control of hommization.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide a kind of LED controller,
It is intended to the LED of wirelessly programming Control；Meanwhile the present invention avoids main control chip program entanglement, LED driving stabilizations.
To achieve the above object, the invention provides a kind of LED controller, it is characterised in that including：
Main control chip, hardware watchdog circuit, wireless receiving module, LED drive circuit, power module and memory；
The output end of the wireless receiving module electrically connects with the wireless receiving input of the main control chip；The LED drive circuit
Input electrically connects with the PWM output ends of the main control chip；The memory interface of the memory and the main control chip is electrically connected
Connect；The output end connection LED load of the LED drive circuit；The wireless receiving module is used to communicate with wireless sending module；
First output end of the hardware watchdog circuit is electrically connected with the main control chip reseting port, and the hardware is guarded the gate enough circuits
Counting clear input electrically connected with the timing output of the main control chip.
In the technical scheme, wireless receiving module receives the control of remote control or the wireless transmitter module transmitting of remote control panel
The coding of signal, and be sent to main control chip and decoded, the coding is set according to electrical equipment quantity and control needs, can be prevented
String code；Hardware watchdog circuit is provided with, when main control chip program malfunctions, main control chip is resetted；LED drive circuit
Pwm control signal is inputted, and produces constant-current supply driving LED load, electric current is stable.
Furthermore, the hardware watchdog circuit includes MCU chip, the second output end of the MCU chip with
The LED drive circuit input electrical connection, the 3rd port of the MCU chip electrically connects with the memory.
In the technical scheme, watchdog circuit is that MCU chip is formed, and the MCU chip of watchdog circuit counts, master control
Chip timing, which sends a signal to house dog MCU chip it is counted, to be zeroed out；If main control chip is out of order, house dog MCU core
Piece, which counts, to be overflowed, and main control chip is resetted, the advantage is that and avoid main control chip from malfunctioning.In addition, in the technical scheme,
MCU chip is also connected with LED drive circuit, and when main control chip fails, MCU chip is controlled to LED load, realizes normal aobvious
Show or LED flickers are alarmed.
Furthermore, the LED drive circuit includes：Be depressured constant current source chip U1, loading interfaces, the first inductance L1,
First voltage-regulator diode DZ1, the first electric capacity C1, first resistor R1；
The first voltage-regulator diode DZ1 positive poles connection decompression constant current source chip U14 pin, the pole of the first voltage stabilizing two
The pipe DZ1 negative poles connection decompression constant current source chip U1 5 pin；First inductance L1 one end connection decompression constant current source core
Piece U1 1 pin, the other end connect 2 pin of the load；The 1 pin connection decompression constant current source chip U1 of the load 4 pin；
2 pin of first electric capacity one end connection decompression constant current source chip U1, the other end connection decompression constant current source chip U1
5 pin；5 pin of first resistor R1 one end connection decompression constant current source chip U1, the other end connect the decompression constant current
Source chip U1 4 pin.
In the technical scheme, LED drive circuit is formed using decompression constant current source chip, inductance, voltage-regulator diode etc., should
Circuit can PWM control, outputting current steadily, suitable for the driving of LED load.
Furthermore, the memory storage has LED control information, and the LED control information includes a variety of scenes
Pattern information and the configuration information of LED controls.
In the technical scheme, main control chip of the present invention carries according to the control information of wireless receiving module from memory
The driving parameter of the control information, including PWM duty cycle are taken, then LED drive controls LED load is realized in a variety of contextual models
One kind.
The beneficial effects of the invention are as follows：The present invention uses hardware watchdog, avoids main control chip program from malfunctioning；Hardware is guarded the gate
The MCU chip of dog can be also controlled when main control chip fails to LED load, realize normal display or LED flicker alarms；
The profile module that a variety of LED lamplights are lighted is stored with memory, facilitates user to select；LED drive circuit input PWM control letters
Number, and constant-current supply driving LED load is produced, electric current is stable.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the invention；
Fig. 2 is the circuit theory diagrams of the embodiment of the invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in figure 1, present embodiments provide a kind of LED controller, it is characterised in that including：Main control chip, hardware are seen
Door dog circuit, wireless receiving module, LED drive circuit, power module and memory；The output end of the wireless receiving module
Electrically connected with the wireless receiving input of the main control chip；The PWM of the LED drive circuit input and the main control chip
Output end electrically connects；The memory electrically connects with the memory interface of the main control chip；The output end of the LED drive circuit
Connect LED load；The wireless receiving module is used to communicate with wireless sending module；The first of the hardware watchdog circuit is defeated
Go out end electrically connected with the main control chip reseting port, the hardware guard the gate enough circuits counting clear input and the master control
The timing output electrical connection of chip.
The transmitting code of remote control or remote control panel transmitting terminal is specific 32 codes, and the design has very strong anti-string code
Ability；And by automatic ID programmings in logic, it may be programmed at least more than 10,000,000,000 different ID user codes, that is, each user
An independent ID number can be formed, so as to cause that the string code of neighboring user is produced because wireless.
In the present embodiment, the hardware watchdog circuit includes MCU chip, the second output end of the MCU chip
Electrically connected with the LED drive circuit input, the 3rd port of the MCU chip electrically connects with the memory.
As shown in Fig. 2 in the present embodiment, the LED drive circuit includes：Be depressured constant current source chip U1, loading interfaces,
First inductance L1, the first voltage-regulator diode DZ1, the first electric capacity C1, first resistor R1；The first voltage-regulator diode DZ1 positive poles
Connect the decompression constant current source chip U14 pin, the first voltage-regulator diode DZ1 negative poles connection decompression constant current source chip U1
5 pin；1 pin of first inductance L1 one end connection decompression constant current source chip U1, the other end connect the 2 of the load
Pin；The 1 pin connection decompression constant current source chip U1 of the load 4 pin；First electric capacity one end connection decompression is permanent
Flow source chip U1 2 pin, the other end connection decompression constant current source chip U1 5 pin；Described first resistor R1 one end connects institute
State decompression constant current source chip U1 5 pin, the other end connection decompression constant current source chip U1 4 pin.In addition, in fig. 2, return
The circuit diagram of other modules of LED controller is gone out.
In the present embodiment, the memory storage has LED control information, and the LED control information includes a variety of feelings
Scape pattern information and the configuration information of LED controls.
In the present invention, using wireless mode programming Control LED, in this embodiment, multi-way light is controlled,
Per road, control can be arranged to a variety of contextual models, and remember the setting state under every group of contextual model.Realize it is easy to operate, if
Put flexibly, control is simple；And flexibly realize independent control and linkage setting.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (2)
- A kind of 1. LED controller, it is characterised in that including：Main control chip, hardware watchdog circuit, wireless receiving module, LED drive circuit, power module and memory；The output end of the wireless receiving module electrically connects with the wireless receiving input of the main control chip；The LED drivings Circuit input end electrically connects with the PWM output ends of the main control chip；The memory interface of the memory and the main control chip Electrical connection；The output end connection LED load of the LED drive circuit；The wireless receiving module is used for and wireless sending module Communication；First output end of the hardware watchdog circuit is electrically connected with the main control chip reseting port, and the hardware is guarded the gate enough The counting clear input of circuit electrically connects with the timing output of the main control chip；The hardware watchdog circuit includes MCU chip, the second output end and the LED drive circuit of the MCU chip Input electrically connects, and the 3rd port of the MCU chip electrically connects with the memory；The LED drive circuit includes：It is depressured constant current source chip（U1）, loading interfaces, the first inductance（L1）, the pole of the first voltage stabilizing two Pipe（DZ1）, the first electric capacity（C1）, first resistor（R1）；First voltage-regulator diode（DZ1）The positive pole connection decompression constant current source chip（U1）4 pin, the pole of the first voltage stabilizing two Pipe（DZ1）The negative pole connection decompression constant current source chip（U1）5 pin；First inductance（L1）One end connects the decompression Constant current source chip（U1）1 pin, the other end connects 2 pin of the load；The 1 pin connection decompression constant current source core of the load Piece（U1）4 pin；First electric capacity one end connection decompression constant current source chip（U1）2 pin, the other end connects the drop Press constant current source chip（U1）5 pin；The first resistor（R1）One end connection decompression constant current source chip（U1）5 pin, separately One end connection decompression constant current source chip（U1）4 pin.
- A kind of 2. LED controller as claimed in claim 1, it is characterised in that the memory storage has LED control information, The LED control information includes a variety of information of referred situation pattern and the configuration information of LED controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618682.1A CN107666735B (en) | 2016-07-29 | 2016-07-29 | LED controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618682.1A CN107666735B (en) | 2016-07-29 | 2016-07-29 | LED controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107666735A true CN107666735A (en) | 2018-02-06 |
| CN107666735B CN107666735B (en) | 2019-12-20 |
Family
ID=61122144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610618682.1A Active CN107666735B (en) | 2016-07-29 | 2016-07-29 | LED controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107666735B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111090548A (en) * | 2019-12-26 | 2020-05-01 | 亚瑞源科技（深圳）有限公司 | MCU reset restarting method and circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130098569A (en) * | 2012-02-28 | 2013-09-05 | 주식회사 퓨처테크 | Apparatus for street light control in grid-connected street light system |
| CN203618176U (en) * | 2013-07-30 | 2014-05-28 | 广州众恒光电科技有限公司 | LED intelligent light controller |
| CN105517239A (en) * | 2015-12-29 | 2016-04-20 | 厦门格绿能光电股份有限公司 | Led lamp intelligent terminal controller |
| CN205902151U (en) * | 2016-07-29 | 2017-01-18 | 重庆臣蓝智能科技有限公司 | LED wireless receiving controller |
-
2016
- 2016-07-29 CN CN201610618682.1A patent/CN107666735B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130098569A (en) * | 2012-02-28 | 2013-09-05 | 주식회사 퓨처테크 | Apparatus for street light control in grid-connected street light system |
| CN203618176U (en) * | 2013-07-30 | 2014-05-28 | 广州众恒光电科技有限公司 | LED intelligent light controller |
| CN105517239A (en) * | 2015-12-29 | 2016-04-20 | 厦门格绿能光电股份有限公司 | Led lamp intelligent terminal controller |
| CN205902151U (en) * | 2016-07-29 | 2017-01-18 | 重庆臣蓝智能科技有限公司 | LED wireless receiving controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111090548A (en) * | 2019-12-26 | 2020-05-01 | 亚瑞源科技（深圳）有限公司 | MCU reset restarting method and circuit |
| CN111090548B (en) * | 2019-12-26 | 2022-09-02 | 亚瑞源科技（深圳）有限公司 | MCU reset restarting method and circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107666735B (en) | 2019-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101630797A (en) | Wireless remote control socket assembly | |
| CN113316294B (en) | Circuit control system, series control device and control method thereof | |
| CN205902151U (en) | LED wireless receiving controller | |
| CN206564712U (en) | LED light modulating devices and system based on encoded signal | |
| CN107666735A (en) | A kind of LED controller | |
| US20130221944A1 (en) | Power Supplies Responsive To Multiple Control Signal Formats | |
| CN203504829U (en) | Line-control/remote control light modulation and on-off control device of embedded LED lamp | |
| CN101165618A (en) | Intelligent standby electricity-saving power supervisor | |
| CN104619063B (en) | A kind of illumination control circuit | |
| CN200941496Y (en) | Smart energy saving socket of air conditioner | |
| CN108803541A (en) | Intelligent control system of domestic electric appliances | |
| CN109391277A (en) | A kind of cascade bus signal receiving circuit and control system | |
| CN206092478U (en) | Bluetooth ceiling lamp fan | |
| CN104202890B (en) | The stand-by circuit of luminaire and the operating circuit of luminaire | |
| CN205450593U (en) | Intelligent household control host | |
| CN108377588A (en) | A kind of LED wireless receivings controller | |
| CN204539587U (en) | For the control circuit of infrared remote control fan and electric light | |
| CN209044398U (en) | A kind of modular circuit applied to thermostat heating | |
| CN205179453U (en) | Bluetooth LED light of area theftproof function | |
| CN206892614U (en) | A kind of control circuit based on intelligent vending machine | |
| CN2766449Y (en) | Two-wire electronic switch power supply module and two-wire remote control switch | |
| CN205811188U (en) | Smart bluetooth insert row | |
| CN204887627U (en) | House lighting device | |
| CN202084131U (en) | Power supply fire hazard detection module | |
| CN203657923U (en) | Heat detector with low-power LED drive module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191127 Address after: 518000 2, 3 floor, Central Road, South Dafu community, Guan Hu Street, Longhua District, Shenzhen, Guangdong, China. 360 Applicant after: Shenzhen Yu innovis Community Technology Co. Ltd. Address before: 402460 No. 107 Cathay Pacific Road, Chang Zhou street, Rongchang County, 39, attached to Chongqing Applicant before: Chongqing blue Intelligent Technology Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |