CN111586933A - Light control equipment and system - Google Patents
Light control equipment and system Download PDFInfo
- Publication number
- CN111586933A CN111586933A CN202010323719.4A CN202010323719A CN111586933A CN 111586933 A CN111586933 A CN 111586933A CN 202010323719 A CN202010323719 A CN 202010323719A CN 111586933 A CN111586933 A CN 111586933A
- Authority
- CN
- China
- Prior art keywords
- resistor
- triode
- pole
- light
- light control
- 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
Images
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]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
-
- 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]
- H05B45/10—Controlling the intensity of the light
-
- 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]
- H05B45/20—Controlling the colour of the light
-
- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The embodiment of the invention relates to the technical field of unmanned vending machines, in particular to light control equipment and a light control system. A light control system comprises an industrial personal computer and light control equipment; the industrial personal computer is connected with the light control equipment through an RS485 bus; the lamp tube control equipment corresponds to the lamps one by one; the industrial personal computer sends an instruction to the light control equipment; and the light control equipment controls the external lamp to emit light according to the instruction.
Description
Technical Field
The embodiment of the invention relates to the technical field of unmanned vending machines, in particular to light control equipment and a light control system.
Background
Along with unmanned vending machine function extension, the vending machine has possessed functions such as product propaganda marketing popularization, and the machine itself increases more peripheral equipment including atmosphere lamp, top shot-light etc. wherein. The atmosphere lamp is provided with a lamp and consists of a plurality of LED lamps; in the existing solutions, the control part of the vending machine is mainly divided into two parts: industrial computer and peripheral hardware control circuit. The industrial computer sends a light control instruction to the peripheral control circuit, and the peripheral control circuit controls the corresponding IO port to change after analyzing the instruction, so that the power supply of the corresponding IO port is changed, and the light change with the lamp or the spotlight is realized. The existing light control of the vending machine has the limitation of a hardware peripheral interface. When the machine upgrading or expanding activities need to increase the lights, the external control circuit needs to be designed again to perform more light control support. And when the light wiring is performed, the light wires distributed at all positions of the machine body need to be connected into an external control circuit of the vending machine, so that the wiring of the whole machine is overstaffed, and the fault is not easy to be checked.
Disclosure of Invention
To this end, embodiments of the present invention provide a light control device and system to solve the above problems.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of embodiments of the present invention, a light control apparatus includes:
a control unit, a power supply unit and a lamp driving unit;
the power supply unit is used for supplying power to the control unit;
the control unit is used for receiving an instruction sent by an external industrial personal computer; controlling a driving unit to drive an external lamp to emit light according to the instruction;
and the driving unit is connected with the external lamp and is used for driving the external lamp to emit light under the control of the control unit.
Further, the driving unit includes: a tape light drive circuit; the drive circuit with lamp includes:
the first triode and the first field effect transistor MOSFET;
the emitter of the first triode is grounded, and the base of the first triode is connected with the first end of the first resistor; the second end of the first resistor is connected to a pin TIM _ CH2 of the control unit; the collector is connected with the first end of the second resistor, and the second end of the second resistor is connected with the power supply;
the collector is also connected with the G pole of the first MOSFET; d pole is connected with RGB _ G; the S pole is grounded;
a second triode and a second field effect transistor MOSFET;
the emitter of the second triode is grounded, and the base of the second triode is connected with the first end of the third resistor; the second end of the third resistor is connected to pin TIM _ CH3 of the control unit; the collector is connected with the first end of the fourth resistor, and the second end of the fourth resistor is connected with the power supply;
the collector is also connected with the G pole of the second MOSFET; d pole is connected with RGB _ G; the S pole is grounded;
a third triode and a third field effect transistor MOSFET;
the emitter of the third triode is grounded, and the base of the third triode is connected with the first end of the fifth resistor; the second end of the fifth resistor is connected to pin TIM _ CH4 of the control unit; the collector is connected with the first end of the sixth resistor, and the second end of the sixth resistor is connected with the power supply;
the collector is also connected with the G pole of the third MOSFET; d pole is connected with RGB _ G; the S pole is grounded.
Further, the driving unit includes:
shot-light drive circuit specifically includes:
a fourth triode and a fourth field effect transistor MOSFET;
the emitter of the fourth triode is grounded, the base of the fourth triode is connected with the first end of the seventh resistor, and the second end of the seventh resistor is connected with a pin TIM _ CH1 of the control unit;
the collector is connected with the first end of the eighth resistor, and the second end of the eighth resistor is connected with the power supply;
the collector is also connected with the G pole of a fourth field effect transistor MOSFET; the D poles are respectively connected with ports 1, 3, 5 and 7 of the spotlight circuit board P4; the S pole is grounded;
the ports 2, 4, 6 and 8 of the spotlight circuit board P4 are respectively connected with a power supply.
Further, the control unit is further configured to:
receiving an instruction sent by an industrial personal computer through an RS485 bus;
acquiring corresponding color identifier r, g, b and w data from the instruction;
and respectively calculating the PWM duty ratios of corresponding pins TIM2_ CH2, TIM3_ CH3, TIM4_ CH4 and TIM2_ CH1 according to the color identifier r, g, b and w data.
According to a second aspect of an embodiment of the present invention, a light control system includes an industrial personal computer and a light control device as described in any one of the above;
the industrial personal computer is connected with the light control equipment through an RS485 bus;
the industrial personal computer sends an instruction to the light control equipment;
and the light control equipment controls the external lamp to emit light according to the instruction.
The embodiment of the invention has the following advantages: the invention provides a light control device. And extensible multi-path light control is realized on the basis of simple wiring design. And in the light control equipment, the light of RGB colored lamp area and shot-light can be controlled and changed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is a schematic control diagram of a prior art system according to an embodiment of the present invention;
FIG. 2 is a control diagram according to an embodiment of the present invention;
fig. 3 is a strip lamp control circuit according to an embodiment of the present invention;
fig. 4 is a circuit for controlling a spotlight according to an embodiment of the present invention;
FIG. 5 is a power circuit according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a bus according to an embodiment of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the prior art, referring to fig. 1, an industrial personal computer controls each lamp through a peripheral control circuit; if the lamp is changed, the peripheral control circuit needs to be changed; is very complicated and tedious.
Based on this, the application provides a light control device, which is applied to an unmanned vending machine; the method comprises the following steps:
a control unit, a power supply unit and a lamp driving unit;
the power supply unit is used for supplying power to the control unit;
the control unit is used for receiving an instruction sent by an external industrial personal computer; controlling a driving unit to drive an external lamp to emit light according to the instruction;
wherein, the control unit can be realized by adopting a singlechip.
And the driving unit is connected with the external lamp and is used for driving the external lamp to emit light under the control of the control unit.
The light control equipment provided by the invention is used as an independent lamp control unit, and can be used for independently controlling one lamp, so that the lamps can be flexibly added or deleted, and the operation is very convenient.
And preferably, in order to save costs, one light control device controls one strip light and one spot light at the same time; wherein, the strip lamp is arranged around the vending machine; the shot-light sets up the top at unmanned vending machine.
In one embodiment, referring to fig. 2, the driving unit includes: a tape light drive circuit;
the LED lamp comprises a lamp strip, a plurality of LED lamps, a plurality of LED light sources and a plurality of LED light sources, wherein the lamp strip comprises a plurality of light emitting units, each light emitting unit comprises three LED lamps, and the colors of the three LED lamps are respectively red, green and blue; the brightness of each LED lamp is controlled and adjusted to enable the light-emitting unit to emit light with different colors.
The drive circuit with lamp includes:
a first triode Q1 and a first field effect transistor Q5;
the emitter of the first triode Q1 is grounded, and the base is connected with the first end of the first resistor R4; the second terminal of the first resistor R4 is connected to the pin TIM _ CH2 of the control unit; the collector is connected with the first end of a second resistor R5, and the second end of the second resistor R5 is connected with a power supply;
the collector is also connected with the G pole of a first field effect transistor Q5; d pole output signal RGB _ G; the D pole is connected with a green LED lamp; the S pole is grounded;
a second triode Q2 and a second field effect transistor Q6;
the emitter of the second triode Q2 is grounded, and the base is connected with the first end of the third resistor R6; the second end of the third resistor R6 is connected to the pin TIM _ CH3 of the control unit; the collector is connected with the first end of a fourth resistor R7, and the second end of the fourth resistor R7 is connected with a power supply;
the collector is also connected with the G pole of a second triode Q2; a D pole outputs a signal RGB _ R, and a D pole is connected with a red LED lamp; the S pole is grounded;
a third triode Q3 and a third field effect transistor Q7;
the emitter of the third triode Q3 is grounded, and the base is connected with the first end of the fifth resistor R8; the second terminal of the fifth resistor R8 is connected to the pin TIM _ CH4 of the control unit; the collector is connected with the first end of the sixth resistor R9, and the second end of the sixth resistor R9 is connected with the power supply;
the collector is also connected with the G pole of a third field effect transistor Q7; d pole output signal RGB _ B;
the D pole is connected with a blue LED lamp;
the S pole is grounded.
The strip lamp driving circuit can adjust and control the brightness of 3 LED lamps in one light-emitting unit, thereby adjusting the color of the light-emitting unit.
In one embodiment, referring to fig. 3, the driving unit includes: shot-light drive circuit specifically includes:
a fourth triode Q4 and a fourth field effect transistor Q8;
an emitter of the fourth triode Q4 is grounded, a base is connected to a first end of the seventh resistor R10, and a second end of the seventh resistor R10 is connected to a pin TIM _ CH1 of the control unit;
the collector is connected with the first end of an eighth resistor R11, and the second end of the eighth resistor R11 is connected with a power supply;
the collector is also connected with the G pole of a fourth field effect transistor Q8; the D pole is respectively connected with ports 1, 3, 5 and 7 of the P4; the S pole is grounded;
the ports 2, 4, 6 and 8 of the P4 are respectively connected with a power supply.
P4 is the wiring board of the spot light.
In one embodiment, with respect to the power supply circuit, referring to FIG. 4, the power supply chip U3 employs LM2576 SX-5.0; an external power supply is input to a VIN pin of the chip through a diode D1; the voltage is 12 volts; a capacitor C2 is arranged between the VIN pin and the ground;
the output voltage of the pin OUT is 5 volts, a diode D3 is arranged, and the cathode of a diode D3 is connected with the pin OUT; the anode is grounded; pin OUT is also connected to a first terminal of inductor L2; the second end is connected with the first ends of the capacitors C3 and C17 respectively; the second terminals of the capacitors C3 and C17 are respectively connected to ground.
The model of the power supply chip U4 is AMS 1117-3.3; the input pin Vin is connected with 5V voltage; first terminals to which capacitances C14 and C1 are connected, respectively; second terminals of C14 and C1 are respectively grounded;
the output pin VOUT is respectively connected with the first ends of the capacitor C4 and the capacitor C0; second ends of the capacitors C4 and C0 are respectively grounded; the output pin VOUT is also connected with an LED lamp DS; the cathode of DS is connected to ground through a resistor R1.
The RS485 bus is used for communication on the communication line. An RS485 communication line is led out from the industrial personal computer and is directly connected with each light control device, and the light control devices control light after analyzing the signal instructions.
And after the light control equipment analyzes the application layer command, the power-on duty ratio of the light control circuit is updated, and the on-off of the strip light and the spot light is controlled, so that different effects are presented. In hardware design, each color of LED lamp uses MOSFET transistors to carry out physical voltage driving isolation on a driving circuit and a control circuit, and meanwhile, the transistors provide current operational amplification to be enough to drive the external power of the LED lamp.
The power circuit is connected with a 12V direct current power supply from the outside, provides the voltage of the input end of the transistor through the 5V voltage stabilizing chip, and provides power for the processing chip by converting the 5V voltage through the 3.3V voltage stabilizing chip.
The communication protocol is as follows:
the RS485 communication baud rate is 115200, the sending interval between frames needs 16ms, and the change rate of 60 frames per second is realized.
Data frame definition:
where byte 1 represents the frame length; the second byte of the last bit is the CRC summed check bit.
Wherein, r, g, b in the value respectively correspond to red, green and blue color control of the colored strip lamp, w corresponds to brightness control of the spot lamp, the value range is 0-255, and each channel has 256 levels of color change.
For example, in the light control device No. 1, r is 210; g is 100; b is 50.
The lighting control equipment controls No. 1 strip lamp to adjust r to 210; g is 100; b is 50; the lamp No. 1 emits light with a corresponding color; w is the brightness of the spotlight. The lighting control device No. 1 can control the strip lamp and the spot lamp at the same time.
The light control flow is as follows:
1. the industrial personal computer is connected to the male head of the RS485 wire;
2. the light control panel is connected to one female head of the RS485 wire, see figure 5; if a plurality of light sources need to be controlled, control equipment can be added in a mode of adding wire cascade;
3. the industrial personal computer sends instruction data to the RS485 bus;
4. the lighting control equipment receives instruction data from the RS485 bus;
5. the lighting control equipment analyzes the received instruction data and verifies the integrity of the data;
6. the light control equipment calculates the offset from the 10 th byte of the instruction frame according to the ID of the light control equipment, and acquires corresponding r, g, b and w data;
7. the control device calculates the PWM duty ratio of the pin outputs of TIM2_ CH2, TIM3_ CH3, TIM4_ CH4 and TIM2_ CH1 according to the received r, g, b and w data;
8. the strip lamp adopts a common anode connection method, and due to the switching change of pins of TIM2_ CH2, TIM3_ CH3, TIM4_ CH4 and TIM2_ CH1, the conduction change of D poles and S poles of Q5, Q6, Q7 and Q8 can be caused;
9. when the D pole and the S pole are conducted, the monochromatic light channel and the power supply form a loop, the corresponding LED lamp emits light, when the D pole and the S pole are not conducted, a circuit between the monochromatic light channel and the power supply is in a high-resistance state, no current flows through the circuit, and the LED lamp does not emit light;
and setting the PWM frequency at 1kHZ, wherein when the duty ratio is 100%, the LED lamp is normally on and has the maximum brightness, and when the duty ratio is 0, the LED channel is out and has the minimum brightness. When the duty ratio is between 0 and 100 percent, the control energization time length in one period is as follows:
T＝A(1ms×value/255)gamma；
and the value is the received data of the corresponding channel, and the values of A and gamma are correspondingly calibrated according to different colors of the lighting channel with the lamp and different spot lights so as to ensure that the color and the brightness of the lighting are accurate as much as possible.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A light control device, comprising:
a control unit, a power supply unit and a lamp driving unit;
the power supply unit is used for supplying power to the control unit;
the control unit is used for receiving an instruction sent by an external industrial personal computer; controlling a driving unit to drive an external lamp to emit light according to the instruction;
and the driving unit is connected with the external lamp and is used for driving the external lamp to emit light under the control of the control unit.
2. The light control apparatus of claim 1, wherein the driving unit comprises: a tape light drive circuit; the drive circuit with lamp includes:
the first triode and the first field effect transistor MOSFET;
the emitter of the first triode is grounded, and the base of the first triode is connected with the first end of the first resistor; the second end of the first resistor is connected to a pin TIM _ CH2 of the control unit; the collector is connected with the first end of the second resistor, and the second end of the second resistor is connected with the power supply;
the collector is also connected with the G pole of the first MOSFET; d pole is connected with RGB _ G; the S pole is grounded;
a second triode and a second field effect transistor MOSFET;
the emitter of the second triode is grounded, and the base of the second triode is connected with the first end of the third resistor; the second end of the third resistor is connected to pin TIM _ CH3 of the control unit; the collector is connected with the first end of the fourth resistor, and the second end of the fourth resistor is connected with the power supply;
the collector is also connected with the G pole of the second MOSFET; d pole is connected with RGB _ G; the S pole is grounded;
a third triode and a third field effect transistor MOSFET;
the emitter of the third triode is grounded, and the base of the third triode is connected with the first end of the fifth resistor; the second end of the fifth resistor is connected to pin TIM _ CH4 of the control unit; the collector is connected with the first end of the sixth resistor, and the second end of the sixth resistor is connected with the power supply;
the collector is also connected with the G pole of the third MOSFET; d pole is connected with RGB _ G; the S pole is grounded.
3. The light control apparatus of claim 1, wherein the driving unit comprises:
shot-light drive circuit specifically includes:
a fourth triode and a fourth field effect transistor MOSFET;
the emitter of the fourth triode is grounded, the base of the fourth triode is connected with the first end of the seventh resistor, and the second end of the seventh resistor is connected with a pin TIM _ CH1 of the control unit;
the collector is connected with the first end of the eighth resistor, and the second end of the eighth resistor is connected with the power supply;
the collector is also connected with the G pole of a fourth field effect transistor MOSFET; the D poles are respectively connected with ports 1, 3, 5 and 7 of the spotlight circuit board P4; the S pole is grounded;
the ports 2, 4, 6 and 8 of the spotlight circuit board P4 are respectively connected with a power supply.
4. The light control apparatus of claim 1, wherein the control unit is further configured to:
receiving an instruction sent by an industrial personal computer through an RS485 bus;
acquiring corresponding color identifier r, g, b and w data from the instruction;
and respectively calculating the PWM duty ratios of corresponding pins TIM2_ CH2, TIM3_ CH3, TIM4_ CH4 and TIM2_ CH1 according to the color identifier r, g, b and w data.
5. A light control system, characterized by comprising an industrial personal computer and a light control device according to any one of claims 1 to 4;
the industrial personal computer is connected with the light control equipment through an RS485 bus;
the industrial personal computer sends an instruction to the light control equipment;
and the light control equipment controls the external lamp to emit light according to the instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323719.4A CN111586933B (en) | 2020-04-22 | 2020-04-22 | Light control equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323719.4A CN111586933B (en) | 2020-04-22 | 2020-04-22 | Light control equipment and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111586933A true CN111586933A (en) | 2020-08-25 |
| CN111586933B CN111586933B (en) | 2022-08-30 |
Family
ID=72124495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010323719.4A Active CN111586933B (en) | 2020-04-22 | 2020-04-22 | Light control equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111586933B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319361A (en) * | 2020-09-23 | 2021-02-05 | 芜湖莫森泰克汽车科技股份有限公司 | Star sky top LED controller based on field effect transistor switching characteristic |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102711307A (en) * | 2011-03-28 | 2012-10-03 | 海洋王照明科技股份有限公司 | Dimmable light-emitting diode (LED) drive circuit and lamp |
| CN202514113U (en) * | 2012-02-28 | 2012-10-31 | 苏州市银河照明器材有限公司 | Synchronous control system for full-color gradual change of LED lamp |
| CN202647362U (en) * | 2012-04-20 | 2013-01-02 | 甄钊伟 | Colorful LED (light emitting diode) decorative lighting |
| CN102884951A (en) * | 2012-10-30 | 2013-01-23 | 江苏农林职业技术学院 | Plant virus passivation device |
| CN103415127A (en) * | 2013-08-31 | 2013-11-27 | 西安电子科技大学 | System and method for controlling intelligent colorful light-emitting diode (LED) landscape lamp |
| CN104244493A (en) * | 2013-06-07 | 2014-12-24 | 陕西亚成微电子股份有限公司 | Linear high voltage LED driving circuit |
| CN205139634U (en) * | 2015-11-19 | 2016-04-06 | 杨德全 | Intelligent control system |
-
2020
- 2020-04-22 CN CN202010323719.4A patent/CN111586933B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102711307A (en) * | 2011-03-28 | 2012-10-03 | 海洋王照明科技股份有限公司 | Dimmable light-emitting diode (LED) drive circuit and lamp |
| CN202514113U (en) * | 2012-02-28 | 2012-10-31 | 苏州市银河照明器材有限公司 | Synchronous control system for full-color gradual change of LED lamp |
| CN202647362U (en) * | 2012-04-20 | 2013-01-02 | 甄钊伟 | Colorful LED (light emitting diode) decorative lighting |
| CN102884951A (en) * | 2012-10-30 | 2013-01-23 | 江苏农林职业技术学院 | Plant virus passivation device |
| CN104244493A (en) * | 2013-06-07 | 2014-12-24 | 陕西亚成微电子股份有限公司 | Linear high voltage LED driving circuit |
| CN103415127A (en) * | 2013-08-31 | 2013-11-27 | 西安电子科技大学 | System and method for controlling intelligent colorful light-emitting diode (LED) landscape lamp |
| CN205139634U (en) * | 2015-11-19 | 2016-04-06 | 杨德全 | Intelligent control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319361A (en) * | 2020-09-23 | 2021-02-05 | 芜湖莫森泰克汽车科技股份有限公司 | Star sky top LED controller based on field effect transistor switching characteristic |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111586933B (en) | 2022-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205754954U (en) | LED light modulation color-temperature regulating circuit and light fixture | |
| CN106448577A (en) | Backlight constant-current drive plate and liquid crystal display television | |
| CN102421230A (en) | Color adjusting driver for LED (Light-Emitting Diode) lamp | |
| CN112804792B (en) | Dimming power module and LED dimming device of steady voltage power supply | |
| WO2019148526A1 (en) | Rgb synchronous smart fairy lights | |
| CN111586933B (en) | Light control equipment and system | |
| CN206272893U (en) | One kind is integrally formed formula character type LED light source module | |
| CN209375969U (en) | A kind of composite structure of LED light source mould group and controller | |
| CN106937441B (en) | A kind of control circuit and luminescence fan component of luminescence fan | |
| CN103929845B (en) | It is suitable for the light adjusting circuit of linear low density LED driver | |
| CN107152616A (en) | A kind of intelligent LED bulb lamp of tunable optical color-temperature regulating | |
| CN107914636A (en) | Vehicle-mounted light adjusting controller | |
| CN217883899U (en) | LED modular driving circuit | |
| CN215453338U (en) | Lighting control system | |
| CN214799978U (en) | Colored lamp driving circuit and lamp | |
| CN214338164U (en) | LED brightness adjusting circuit and electronic equipment | |
| CN209806125U (en) | Lighting system based on wireless control | |
| CN206650870U (en) | The control circuit and luminescence fan component of a kind of luminescence fan | |
| CN209787506U (en) | Lamp area control circuit and system | |
| CN211457466U (en) | Multi-channel output compatible circuit of backlight constant-current control system and television | |
| CN206533583U (en) | RGB multi-color lamp string luminance compensation driving power supplies | |
| CN210225838U (en) | Dimming and color mixing circuit | |
| CN207783224U (en) | Intelligent power, Intelligent illumination device and intelligent illuminating system | |
| CN207491242U (en) | Led light source regulating system | |
| CN212970192U (en) | LED lamp and LED lamp group |
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 | ||
| CB02 | Change of applicant information |
Address after: 200433 room 6015-4, 335 Guo Ding Road, Yangpu District, Shanghai. Applicant after: SHANGHAI QUZHI NETWORK TECHNOLOGY CO.,LTD. Address before: 17th floor, Shanghai Waijing building, No. 681, xiaomuqiao Road, Xuhui District, Shanghai 200030 Applicant before: SHANGHAI QUZHI NETWORK TECHNOLOGY CO.,LTD. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |