CN110740543A - Intelligent lamp control circuit - Google Patents
Intelligent lamp control circuit Download PDFInfo
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- CN110740543A CN110740543A CN201910531523.1A CN201910531523A CN110740543A CN 110740543 A CN110740543 A CN 110740543A CN 201910531523 A CN201910531523 A CN 201910531523A CN 110740543 A CN110740543 A CN 110740543A
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Abstract
The invention relates to intelligent lamp control circuits, which comprise an AC rectification filter circuit, a constant current control circuit, a ripple removal control circuit, a color temperature LED lamp string, a second color temperature LED lamp string, a complementary PWM current control circuit and a PWM control circuit, wherein the complementary PWM current control circuit is respectively and electrically connected with the ripple removal control circuit, a color temperature LED lamp bead group and the second color temperature LED lamp bead group, the PWM control circuit is provided with a TYWE3L chip and is respectively and electrically connected with the constant current control circuit and the complementary PWM current control circuit, the color temperatures of the color temperature LED lamp bead group and the second color temperature LED lamp bead group are different, the constant current control circuit is provided with a BP230 2306X chip, the ripple removal control circuit is provided with a BP5628X chip, the intelligent lamp control circuit is small in size and can be suitable for lamp types with small installation space, and the control circuit is simple in structure.
Description
Technical Field
The invention relates to the field of lamps, in particular to an intelligent lamp control circuit.
Background
The dimming and color temperature regulation of the WIFI module, the BLE Bluetooth module, the Zigbee low-power-consumption local area network module and the remote control lamp are mainly realized by regulating the output current of two paths of lamp beads, the dimming lamp has clear requirements in the Title 20 United states California energy-saving standard, when the power factor of the lamp is > =0.7 and the light fluctuation is 100% of light output and 20% of light output, the light fluctuation is less than 30%.
Disclosure of Invention
The invention aims to overcome the defects that the existing intelligent lamp control circuit has larger volume, cannot be suitable for a lamp type with smaller installation space, and has complex structure and higher cost, and intelligent lamp control circuits which have smaller volume, can be suitable for a lamp type with smaller installation space, and have simple structure and lower cost are provided.
The specific technical scheme of the invention is as follows:
A smart lamp control circuit comprises an AC rectification filter circuit, a constant current control circuit, a ripple removing control circuit, a th color temperature LED lamp string and a second color temperature LED lamp string electrically connected in sequence, complementary PWM current control circuits electrically connected with the ripple removing control circuit, a th color temperature LED lamp bead set and the second color temperature LED lamp bead set respectively, PWM control circuits having TYWE3L chips and electrically connected with the constant current control circuit and the complementary PWM current control circuit respectively, color temperatures of the th color temperature LED lamp bead set and the second color temperature LED lamp bead set are different, the constant current control circuit has a BP2306 chip, the ripple removing control circuit has a BP 566328 chip, TYWE3S is a low-power-consumption embedded Wi-Fi module, the intelligent lamp control circuit is composed of wireless radio frequency chips with high integration degree, ESP8266 and a small number of peripheral devices, a Wi-Fi network protocol stack and rich library functions are built, a real mobile phone, a remote controller, a smart sound box (such as a Tianmian mao, an ECHO, a BP) realizes that the light-frequency intelligent lamp controls the light-field light-frequency light-field dimming lamp, the light-color temperature LED lamp, the ripple-dimming control circuit, the ripple-dimming lamp bead set, the light-dimming lamp is controlled by a wireless light-dimming control circuit, the linear light-dimming control circuit, the LED lamp bead set, the LED lamp is controlled by a linear light-dimming switch, the linear light-dimming lamp is controlled by the linear light-dimming circuit, the linear light-dimming switch, the linear light-dimming circuit, the linear light-dimming lamp, the linear light-dimming circuit.
Preferably, the complementary PWM current control circuit comprises a BP5926X chip, a terminal X1 electrically connected with the positive ends of the color temperature LED lamp bead group and the second color temperature LED lamp bead group respectively, a terminal X2 electrically connected with the negative end of the color temperature LED lamp bead group, and a terminal X3 electrically connected with the negative end of the second color temperature LED lamp bead group, wherein a PIN6 PIN of the BP5926X is a color-mixing temperature PIN controlled by a PIN7 PIN of a TYWE3L chip, the BP59 5926X is a -type high-performance electrodeless color-mixing control chip with a built-in two-way MOSFET, the light-emitting proportion of an LED light source is adjusted by adjusting the duty ratio of an input PWM signal, so that the color-mixing purpose is achieved, the output currents of the two LEDs are complementary, the total current is unchanged in the color-mixing process, and is equal to the current of a constant current source, and the PIN 59 5926X PIN6 PIN of the complementary PWM current control circuit is a PIN7 PIN 3L PIN for controlling the color temperature.
Preferably, the constant current control circuit of the constant current control circuit is provided with a BP2306X chip, a capacitor C21 and a capacitor C22, the capacities of the capacitor C21 and the capacitor C22 are respectively 100nf, a PIN1 PIN of the BP2306X chip is a dimming PIN controlled by a PIN20 PIN, the constant current control circuit adopts a unipolar control circuit, the capacities of the capacitor C21 and the capacitor C22 are respectively smaller than 100nf, the power factor is favorably improved, the PIN1 PIN of the BP2306X chip is a dimming PIN controlled by a PIN20 PIN, the fluctuation of power frequency current is favorably eliminated, the fluctuation of output current is controlled, the light fluctuation is eliminated, the current flowing through a color temperature LED lamp bead group of the and a color temperature LED lamp bead group of the second color temperature is controlled and distributed, the light mixing proportion of the color temperature LED group of the color temperature and the color temperature LED lamp bead group of the second color temperature is controlled, and the effect of color.
Preferably, the color temperature LED lamp bead set is a 6500K lamp string with cold color temperature, the second color temperature LED lamp bead set is a 2700K lamp string with warm color temperature, and the matching of the cold color temperature and the warm color temperature has obvious color temperature adjusting effect.
Preferably, the PWM control circuit has a power supply circuit. The PWM control circuit can work stably, and the control precision is improved.
Compared with the prior art, the intelligent lamp control circuit has the advantages that the intelligent lamp control circuit is small in size, suitable for lamp types with small installation space, simple in structure and low in cost, the PIN6 of the BP59 5926X of the complementary PWM current control circuit is a color temperature adjusting PIN controlled by the PIN7 of the TYWE3L chip, and beneficial to controlling color temperature adjustment, the constant current control circuit adopts a single-pole control circuit, the capacities of a capacitor C21 and a capacitor C22 are respectively smaller than 100nf, and beneficial to improving power factors, the PIN1 of the BP2306X chip is a color adjusting PIN controlled by the PIN20 PIN, and beneficial to improving fluctuation of power frequency current, controlling fluctuation of output current so as to eliminate light fluctuation, controlling current distributed to flow through an LED lamp bead group and a second LED lamp bead group, controlling matching light mixing proportion of the color temperature LED lamp bead group and the second color temperature LED lamp bead, achieving the effect of color temperature adjustment, the LED lamp bead is a 6500K cold color temperature lamp bead group, the second warm LED lamp bead group is a warm color temperature lamp bead group, and the PWM current control circuit is beneficial to improve color temperature and color temperature of the cold color temperature control circuit, and the color temperature of the cold color temperature control circuit.
Drawings
FIG. 1 is an control block diagram of the present invention;
FIG. 2 is a control circuit schematic of the present invention;
fig. 3 is an enlarged view of the AC rectifying and filtering circuit 1 and the constant current control circuit 2 in fig. 2;
fig. 4 is an enlarged view of the complementary PWM current control circuit 4 of fig. 2;
fig. 5 is an enlarged view of the PWM control circuit 5 and the power supply circuit 6 in fig. 2;
fig. 6 is a block diagram of a conventional intelligent lamp control circuit.
In the figure: the LED lamp string comprises an AC rectifying and filtering circuit 1, a constant current control circuit 2, a ripple removing control circuit 3, a complementary PWM current control circuit 4, a PWM control circuit 5, a power supply circuit 6, 6500K lamp strings 7 and 2700K lamp strings 8.
Detailed Description
The invention is further described in conjunction with the figures.
As shown in the attached drawings 1-5, intelligent lamp control circuits comprise an AC rectification filter circuit 1, a constant current control circuit 2, a ripple removing control circuit 3, a color temperature LED lamp string and a second color temperature LED lamp string which are electrically connected in sequence, a complementary PWM current control circuit 4 which is electrically connected with the ripple removing control circuit, a color temperature LED lamp bead group and the second color temperature LED lamp bead group respectively, a PWM control circuit 5 which is provided with a TYWE3L chip and is electrically connected with the constant current control circuit and the complementary PWM current control circuit respectively, the color temperature LED lamp bead group and the second color temperature LED lamp bead group have different color temperatures, the constant current control circuit is provided with a BP230 2306X chip, and the ripple removing control circuit is provided with a BP5628X chip.
The complementary PWM current control circuit is provided with a BP5926X chip, a terminal X1 electrically connected with the positive ends of the color temperature LED lamp bead group and the second color temperature LED lamp bead group respectively, a terminal X2 electrically connected with the negative end of the color temperature LED lamp bead group, and a terminal X3 electrically connected with the negative end of the second color temperature LED lamp bead group, wherein a PIN6 PIN of the BP5926X is a color temperature adjusting PIN controlled by a PIN7 PIN of the TYWE3L chip.
The constant current control circuit of the constant current control circuit is provided with a BP2306X chip, a capacitor C21 and a capacitor C22; the capacities of the capacitor C21 and the capacitor C22 are 100nf respectively; the PIN1 PIN of the BP2306X chip is a dimming PIN controlled by a PIN20 PIN.
The th color temperature LED lamp bead set is a 6500K lamp string 7 with cold color temperature, the second color temperature LED lamp bead set is a 2700K lamp string 8.6500K lamp string with warm color temperature, the absolute temperature of the lamp string is 6500 Kelvin, and the absolute temperature of the 2700K lamp string is 2700 Kelvin.
The PWM control circuit has a power supply circuit 6. The power supply circuit has a BP5628X chip.
The intelligent lamp control circuit is controlled by the PWM current control circuit, rectification and filtering are performed through the AC rectification filter circuit, dimming is realized by controlling the PWM duty ratio of the constant current control circuit to control the size of output current, fluctuation of power frequency current is eliminated by controlling dynamic impedance inside a BP5628B (light adjustable driving chip), fluctuation of the output current is controlled to eliminate light fluctuation, current flowing through a color temperature LED lamp bead group and a second color temperature LED lamp bead group is controlled and distributed through the complementary PWM current control circuit, the light mixing proportion of the color temperature LED lamp bead group and the second color temperature LED lamp bead group is controlled, and color temperature regulation is realized.
If the circuit architecture shown in fig. 2 is adopted, the volume of the circuit is reduced, the cost is low, only paths of constant current control are adopted, the output current precision is high, and after the dimming level is determined, the output total current is determined, after the total output current is determined, the complementary PWM current control circuit adjusts the currents of two paths of lamp beads, and the currents of the lamp beads are determined by the PWM duty ratio of each path.
In addition to the above embodiments, the technical features or technical data of the present invention may be reselected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and are within the protection scope of the present invention.
Claims (5)
- The intelligent lamp control circuit is characterized by further comprising a complementary PWM current control circuit, a PWM control circuit and a PWM control circuit, wherein the complementary PWM current control circuit is electrically connected with the ripple removal control circuit, the color temperature LED lamp bead group and the second color temperature LED lamp bead group respectively, the PWM control circuit is provided with a TYWE3L chip and is electrically connected with the constant current control circuit and the complementary PWM current control circuit respectively, and the color temperatures of the color temperature LED lamp bead group and the second color temperature LED lamp bead group are different.
- 2. An intelligent lamp control circuit according to claim 1, wherein the complementary PWM current control circuit comprises a BP5926X chip, a terminal (X1) electrically connected with the positive terminals of the color temperature LED lamp bead group and the second color temperature LED lamp bead group respectively, a terminal (X2) electrically connected with the negative terminal of the color temperature LED lamp bead group, and a terminal (X3) electrically connected with the negative terminal of the second color temperature LED lamp bead group, and the PIN (PIN 6) PIN of the BP5926X is a color temperature adjusting PIN controlled by the PIN (PIN 7) PIN of the TYWE3L chip.
- 3. An intelligent lamp control circuit according to claim 1 or 2, wherein the constant current control circuit comprises a BP2306X chip, a capacitor (C21), and a capacitor (C22); the capacities of the capacitor (C21) and the capacitor (C22) are respectively 100 nf; the PIN (PIN 1) of the BP2306X chip is a dimming PIN controlled by a PIN (PIN 20).
- 4. A smart lamp control circuit according to claim 1, 2 or 3, wherein the th color temperature LED lamp bead set is a 6500K lamp string with cold color temperature, and the second color temperature LED lamp bead set is a 2700K lamp string with warm color temperature.
- 5. A smart lamp control circuit according to claim 1, 2 or 3, wherein the PWM control circuit has a power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531523.1A CN110740543A (en) | 2019-06-19 | 2019-06-19 | Intelligent lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531523.1A CN110740543A (en) | 2019-06-19 | 2019-06-19 | Intelligent lamp control circuit |
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| CN110740543A true CN110740543A (en) | 2020-01-31 |
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| CN201910531523.1A Pending CN110740543A (en) | 2019-06-19 | 2019-06-19 | Intelligent lamp control circuit |
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Citations (8)
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| CN103152916A (en) * | 2013-02-01 | 2013-06-12 | 中山市隆源光电有限公司 | Light-emitting diode (LED) lighting lamp with adjustable light and adjustable color temperature and control method thereof |
| CN203827566U (en) * | 2014-03-31 | 2014-09-10 | 深圳市九洲光电科技有限公司 | Light-and-color-adjustable LED lamp |
| CN107094329A (en) * | 2017-05-03 | 2017-08-25 | 矽力杰半导体技术(杭州)有限公司 | Led drive circuit |
| CN206650873U (en) * | 2017-03-16 | 2017-11-17 | 深圳市金叶光线发展有限公司 | Multiple-channel output LED drive power |
| CN208462111U (en) * | 2018-08-03 | 2019-02-01 | 新灵电子技术开发(深圳)有限公司 | A kind of LED ceiling lamp system of controllable smart home |
| KR101965249B1 (en) * | 2017-03-28 | 2019-04-03 | 메를로랩 주식회사 | Led lighting device for controlling color temperature |
| CN109673086A (en) * | 2019-02-15 | 2019-04-23 | 浙江阳光美加照明有限公司 | The LED drive control circuit of compatible Wireless Light modulating toning and switch on wall toning |
| CN210609795U (en) * | 2019-06-19 | 2020-05-22 | 宁波凯耀电器制造有限公司 | Intelligent lamp control circuit |
-
2019
- 2019-06-19 CN CN201910531523.1A patent/CN110740543A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103152916A (en) * | 2013-02-01 | 2013-06-12 | 中山市隆源光电有限公司 | Light-emitting diode (LED) lighting lamp with adjustable light and adjustable color temperature and control method thereof |
| CN203827566U (en) * | 2014-03-31 | 2014-09-10 | 深圳市九洲光电科技有限公司 | Light-and-color-adjustable LED lamp |
| CN206650873U (en) * | 2017-03-16 | 2017-11-17 | 深圳市金叶光线发展有限公司 | Multiple-channel output LED drive power |
| KR101965249B1 (en) * | 2017-03-28 | 2019-04-03 | 메를로랩 주식회사 | Led lighting device for controlling color temperature |
| CN107094329A (en) * | 2017-05-03 | 2017-08-25 | 矽力杰半导体技术(杭州)有限公司 | Led drive circuit |
| CN208462111U (en) * | 2018-08-03 | 2019-02-01 | 新灵电子技术开发(深圳)有限公司 | A kind of LED ceiling lamp system of controllable smart home |
| CN109673086A (en) * | 2019-02-15 | 2019-04-23 | 浙江阳光美加照明有限公司 | The LED drive control circuit of compatible Wireless Light modulating toning and switch on wall toning |
| CN210609795U (en) * | 2019-06-19 | 2020-05-22 | 宁波凯耀电器制造有限公司 | Intelligent lamp control circuit |
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Application publication date: 20200131 |