CN102333401A - Control circuit of tumbler LED lamp - Google Patents
Control circuit of tumbler LED lamp Download PDFInfo
- Publication number
- CN102333401A CN102333401A CN201110147714A CN201110147714A CN102333401A CN 102333401 A CN102333401 A CN 102333401A CN 201110147714 A CN201110147714 A CN 201110147714A CN 201110147714 A CN201110147714 A CN 201110147714A CN 102333401 A CN102333401 A CN 102333401A
- Authority
- CN
- China
- Prior art keywords
- led lamp
- links
- electric current
- current amplification
- electronic switch
- 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.)
- Pending
Links
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a control circuit of tumbler LED lamps, which is used for ensuring that the tumbler LED lamps have rich color changes and are more interesting. The control circuit comprises a microcomputer, a memory connected with the microcomputer, a horizontal angle detection unit and at least two LED drive units, wherein the output end of the horizontal angle detection unit and the control ends of the LED drive units are respectively connected with the microcomputer, and the output end of each LED drive unit is connected with one LED lamp. According to the invention, the horizontal angle detection unit can be used detecting different positions of the tumbler in the swaying process, and the microcomputer is used for lightening different LED lamps according to the detection result, so that the tumbler LED lamps have rich color changes and are more interesting.
Description
Technical field
The present invention relates to light-emitting diode is LED, refers more particularly to string through a plurality of LED, and the control circuit of the LED lamp that constitutes.
Background technology
The moulding of tumbler LED lamp is unique, can not topple over, and has interest and practicality, obtained many young man's favor.But present tumbler LED lamp can not be along with the color that angle changes lamp that rocks of tumbler, and color change is not abundant, seems more stiff, and is interesting not enough.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of color change to enrich, make tumbler LED lamp to have more the control circuit of interesting tumbler LED lamp.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted is: the control circuit of tumbler LED lamp; Comprise: microprocessor and the memory that links to each other with little processing and level angle detecting unit and at least two LED driver elements; The control end of the output of level angle detecting unit and LED driver element links to each other with microprocessor respectively, and the output of each LED driver element links to each other with a LED lamp.
Described control circuit also includes infrared receiver, and the output of infrared receiver links to each other with microprocessor.
Described LED driver element comprises: electric current amplification module and electronic switch module; The control end of electric current amplification module links to each other with signal source through input resistance; The output of electric current amplification module links to each other with LED lamp positive source through the LED lamp; The output of electronic switch module links to each other with the control end of electric current amplification module, and the control end of electronic switch module links to each other with the negative feedback point of electric current amplification module; The earth terminal of electric current amplification module and electronic switch module all links to each other with the negative pole of LED lamp power supply.
Described electric current amplification module comprises: fet; The grid of fet is the control end of electric current amplification module; The source electrode of fet is the negative feedback point; This source electrode links to each other with an end of current-limiting resistance, and the other end of current-limiting resistance is the earth terminal of electric current amplification module, and the drain electrode of fet is the output of electric current amplification module; Described electronic switch module is a triode, and the base stage of triode is the control end of electronic switch module, and the current collection of triode is the output of electronic switch module very, and the emission of triode is the earth terminal of electronic switch module very.
The invention has the beneficial effects as follows: the level angle detecting unit among the present invention can detect the diverse location of tumbler in the process of rocking; Microprocessor is according to testing result; Light the different LED lamp, make that the color change of tumbler LED lamp is abundant, have more interest.In addition, this control circuit can also receive the signal that IR remote controller sends, and comes setting display mode, makes that the color change of tumbler LED lamp is abundanter, has further increased interest.
Description of drawings
Fig. 1 is an electric theory structure sketch map of the present invention.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
As shown in Figure 1; The control circuit of tumbler LED lamp of the present invention; Comprise: microprocessor U1, level angle detecting unit U3, three LED driver elements and infrared receiver and the memory U2 that links to each other with little processing U1; The output of the output of level angle detecting unit U3, the control end of LED driver element and infrared receiver links to each other with microprocessor U1 respectively, and the output of three LED driver elements links to each other with green LED lamp with red LED lamp, blue led lamp respectively; Described three LED driver elements are respectively applied for and drive red LED lamp, blue led lamp and green LED lamp; Wherein, Drive the drive circuit of blue led lamp; Comprise: by FET be metal-oxide-semiconductor MA, the electric current amplification module that constitutes of the current-limiting resistance RB1 that is connected in parallel and RB2 and input resistance RD, the electronic switch module and the two-way DC power supply that constitute by small-power high-frequency triode QA; In this two-way DC power supply; One the tunnel is the LED lamp power supply of giving the 15V of red, blue, green three paths of LEDs lamps power supply; Another road is for giving microprocessor U1 working power with the 5V of memory U2 power supply, this two-way DC power supply altogether, the pin PA3 that the grid of said FET MA passes through as the control end of electric current amplification module on the I/O port of input resistance RD and the microprocessor U1 of generation signal source links to each other; Also be connected with pull down resistor RD1 on the pin PA3; The drain electrode of FET MA links to each other with the positive pole of LED lamp power supply through the blue led lamp as the output of electric current amplification module, and the source electrode of FET MA is through described a pair of current-limiting resistance RB1 and RB2 ground connection, and the collector electrode of small-power high-frequency triode QA links to each other with the grid of FET MA as the output of electronic switch module; The base stage of small-power high-frequency triode QA is that the negative feedback point of electric current amplification module links to each other the grounded emitter of small-power high-frequency triode QA as the control end of electronic switch module and the source electrode of FET MA; What the level angle detecting unit U3 in the present embodiment adopted is the ADXL335 chip, and described memory U2 has adopted I
2The C bus driver.
As everyone knows, when frequency of oscillation surpasses 75 hertz, people's eyes are with regard to imperceptible flicker.This drive circuit just is being based on this point.When lighting the blue led lamp; Microprocessor U1 is set to high level with pin PA3, FET MA under the effect of small-power high-frequency triode QA, intermittent conduction; Make the output of FET MA form vibration; Frequency of oscillation is far longer than 75 hertz, intermittently conducting of blue led, the useful life of having improved the LED lamp greatly.
The drive circuit that drives red LED lamp and green LED lamp is just the same with the structure and the operation principle of the drive circuit that drives the blue led lamp, repeats no more at this.
During use, infrared receiver receives the infrared signal from IR remote controller, and the color change pattern of tumbler LED lamp is set, and for example: tumbler LED lamp carries out color change along with rocking, and stops to rock also stopping color change; Realize above-mentioned color change pattern, operation principle of the present invention is: detect the variation at tumbler position (angle of inclination) through level angle detecting unit U3, and the diverse location that microprocessor U1 obtains according to detection, whether decision carries out color change.
Claims (4)
1. the control circuit of tumbler LED lamp; Comprise: microprocessor and the memory that links to each other with little processing; It is characterized in that: also comprise level angle detecting unit and at least two LED driver elements; The control end of the output of level angle detecting unit and LED driver element links to each other with microprocessor respectively, and the output of each LED driver element links to each other with a LED lamp.
2. the control circuit of tumbler LED lamp according to claim 1 is characterized in that: described control circuit also includes infrared receiver, and the output of infrared receiver links to each other with microprocessor.
3. the control circuit of tumbler LED lamp according to claim 1; It is characterized in that: described LED driver element comprises: electric current amplification module and electronic switch module; The control end of electric current amplification module links to each other with signal source through input resistance; The output of electric current amplification module links to each other with LED lamp positive source through the LED lamp, and the output of electronic switch module links to each other with the control end of electric current amplification module, and the control end of electronic switch module links to each other with the negative feedback point of electric current amplification module; The earth terminal of electric current amplification module and electronic switch module all links to each other with the negative pole of LED lamp power supply.
4. the control circuit of tumbler LED lamp according to claim 3; It is characterized in that: described electric current amplification module comprises: fet; The grid of fet is the control end of electric current amplification module, and the source electrode of fet is the negative feedback point, and this source electrode links to each other with an end of current-limiting resistance; The other end of current-limiting resistance is the earth terminal of electric current amplification module, and the drain electrode of fet is the output of electric current amplification module; Described electronic switch module is a triode, and the base stage of triode is the control end of electronic switch module, and the current collection of triode is the output of electronic switch module very, and the emission of triode is the earth terminal of electronic switch module very.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147714A CN102333401A (en) | 2011-06-02 | 2011-06-02 | Control circuit of tumbler LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147714A CN102333401A (en) | 2011-06-02 | 2011-06-02 | Control circuit of tumbler LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102333401A true CN102333401A (en) | 2012-01-25 |
Family
ID=45484961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110147714A Pending CN102333401A (en) | 2011-06-02 | 2011-06-02 | Control circuit of tumbler LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102333401A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658926A (en) * | 2017-03-20 | 2017-05-10 | 北京小米移动软件有限公司 | Lamp control method and device |
| US11036309B2 (en) | 2013-07-31 | 2021-06-15 | Ams Sensors Singapore Pte. Ltd. | Micro-optical orientation sensor and related methods |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047007U (en) * | 1989-05-15 | 1989-11-01 | 王松颖 | Musical type leveler |
| CN2869552Y (en) * | 2005-12-23 | 2007-02-14 | 安提亚科技股份有限公司 | High-power LED colour bulb with infrared telecontrol function |
| CN2915202Y (en) * | 2006-06-20 | 2007-06-27 | 博罗县亚历高实业有限公司 | Luminous tumbler |
| CN201443702U (en) * | 2009-06-23 | 2010-04-28 | 马光凯 | Non-downable alarm clock desk lamp |
| CN101793513A (en) * | 2009-01-29 | 2010-08-04 | 罗姆股份有限公司 | Inclination sensor |
| CN201643604U (en) * | 2009-08-05 | 2010-11-24 | 陈骄 | Shuttlecock capable of illuminating and sound producing during rotation |
-
2011
- 2011-06-02 CN CN201110147714A patent/CN102333401A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047007U (en) * | 1989-05-15 | 1989-11-01 | 王松颖 | Musical type leveler |
| CN2869552Y (en) * | 2005-12-23 | 2007-02-14 | 安提亚科技股份有限公司 | High-power LED colour bulb with infrared telecontrol function |
| CN2915202Y (en) * | 2006-06-20 | 2007-06-27 | 博罗县亚历高实业有限公司 | Luminous tumbler |
| CN101793513A (en) * | 2009-01-29 | 2010-08-04 | 罗姆股份有限公司 | Inclination sensor |
| CN201443702U (en) * | 2009-06-23 | 2010-04-28 | 马光凯 | Non-downable alarm clock desk lamp |
| CN201643604U (en) * | 2009-08-05 | 2010-11-24 | 陈骄 | Shuttlecock capable of illuminating and sound producing during rotation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11036309B2 (en) | 2013-07-31 | 2021-06-15 | Ams Sensors Singapore Pte. Ltd. | Micro-optical orientation sensor and related methods |
| CN106658926A (en) * | 2017-03-20 | 2017-05-10 | 北京小米移动软件有限公司 | Lamp control method and device |
| CN106658926B (en) * | 2017-03-20 | 2019-06-28 | 北京小米移动软件有限公司 | Method for controlling lamp and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106376143B (en) | A kind of circuit of the multiple LED pixel points of single channel constant current drive control | |
| CN203301806U (en) | Automatic dimming signal lamp | |
| CN105307315A (en) | Color LED lamp string driving circuit and LED lamp string | |
| CN203136242U (en) | LED constant-current circuit with PWM light modulation | |
| CN102333401A (en) | Control circuit of tumbler LED lamp | |
| CN202353871U (en) | Constant-current adjustable driving circuit for light emitting diode (LED) lamp | |
| CN202127532U (en) | Control circuit for LED (light-emitting diode) lamp of tumbler | |
| CN205232500U (en) | Armoured vehicle combination meter electrodeless double -colored change photosystem that is shaded with adjustable | |
| CN102333402B (en) | Drive circuit of LED lamp | |
| CN204432501U (en) | A kind of flasher circuit | |
| CN109389936A (en) | Matrix LED controls display device | |
| CN204554564U (en) | Intelligent power-saving street lamp | |
| CN202127533U (en) | Driving circuit of LED (light-emitting diode) lamp | |
| CN203632904U (en) | Led decorative lamp | |
| CN202587463U (en) | A timing positive-negative switching LED circuit | |
| CN207201043U (en) | A kind of Novel LED light | |
| CN202503706U (en) | Drive controller chip of strings of light emitting diodes | |
| CN201718084U (en) | Circuit for driving LED to emit light and LED light-emitting device | |
| CN204810598U (en) | Strong and weak light controlling circuit of tactics lamp | |
| CN201462666U (en) | Meteor lamp | |
| CN202334987U (en) | Decorative lighting using battery for step-up power supply | |
| CN202455631U (en) | Non-driving alternating current power supply alternating current light-emitting diode (ACLED) light source | |
| CN104175946A (en) | Vehicle LED headlamp high and low beam switching control circuit | |
| CN204578816U (en) | The LED string control loop of automobile meeting pedal | |
| CN202713752U (en) | Simple LED display module testing circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120125 |