CN203848186U - Red and blue infrared remote control high-power LED light-compensating lamp with adjustable brightness - Google Patents

Abstract

Disclosed is a red and blue two-color infrared remote control high-power LED fill light with adjustable brightness, including an LED fill light and an infrared remote control. The LED fill light includes from top to bottom an AC-DC power supply module, an LED light source controller, cooling fins, a housing, an aluminum substrate, and red LEDs and blue LEDs arranged in inner and outer rings centered on the center of the aluminum substrate. LED, each LED is equipped with a condenser lens; the infrared remote control can emit infrared signals by pressing buttons, receive and decode them through the infrared receiver and send them to the single-chip microcomputer for identification, and the single-chip microcomputer executes corresponding instructions according to the received code value and drives the LED with a constant current The module controls the on and off of the LED fill light and the brightness of the red and blue LEDs. Through the infrared remote control technology, the supplementary light realizes the wireless remote control of the LED supplementary light very conveniently, so that the light intensity of the red and blue LEDs can be adjusted according to different crops, which is more suitable for the needs of plants for different light intensities. It has the advantages of simple structure, low power consumption, fast start-up, and soft dimming changes.

Description

Red and blue two-color infrared remote control high-power LED fill light with adjustable brightness

technical field

The utility model relates to a plant supplementary light suitable for indoor environments, in particular to a red and blue two-color infrared remote control high-power LED supplementary light with adjustable brightness.

Background technique

The 201220127650.9 patent of "high-power red and blue two-color LED combined supplementary light" that the applicant applied for earlier adopts two high-power LED combinations of red light and blue light. The number of LEDs per unit area is small, the structure is simple, and the reliability is strong. Good cooling effect. However, the red and blue luminous flux ratio (R/B) of the lamp cannot be adjusted, and different plants have large differences in R/B requirements, so the lamp can only supplement light for specific types of plants, and the applicable area is narrow; at the same time, the lamp The traditional wired control method is adopted, which needs to adjust the LED light intensity on site, which causes a lot of inconvenience to the user, and cannot satisfy the user's requirements for the convenient use of the supplementary light. Therefore, how to use a wireless communication technology to remotely control the supplementary light to make the control method easier and to remotely control the switch and brightness of the supplementary light in real time is a problem to be solved by the present invention.

As we all know, infrared remote control technology is the most widely used means of communication and remote control nowadays. Because of its small size, low power consumption, strong function and low cost, infrared remote control is widely used in various electrical appliances in daily life, such as TV sets. , air conditioners, electric fans, etc. However, most of the dimming functions of the current LED supplementary light are adjusted on-site through the knob, which causes a lot of inconvenience to the user. The two technologies of infrared remote control and LED have not yet been combined, so the development of this utility model is of great significance.

Utility model content

The technical problem to be solved by the utility model is to provide a red and blue two-color infrared remote control high-power LED supplementary light with adjustable brightness.

The technical solution adopted to solve the above technical problems is: this red and blue two-color infrared remote control high-power LED fill light with adjustable brightness includes LED fill light and infrared remote control, and the LED fill light includes AC from top to bottom. -DC power supply module, LED light source controller, heat dissipation fins, housing, aluminum substrate, and red LEDs and blue LEDs arranged in inner and outer rings centered on the center of the aluminum substrate. Each LED is equipped with a condenser lens. The LEDs are installed on the bottom surface of the circular aluminum substrate. Among the LEDs in the inner and outer rings, there are six LEDs in the inner ring and twelve LEDs in the outer ring. The above-mentioned infrared remote control can emit infrared signals, which are decoded by the infrared receiver set on the LED light source controller and then transmitted to the internal single-chip control module. To adjust the brightness of red LED and blue LED.

Said AC-DC power supply module can output DC 5V and 24V to supply power for the single-chip microcomputer control module and LED constant current drive module inside the subsequent LED light source controller.

Said single-chip microcomputer is an enhanced 51 single-chip microcomputer STC89S52RC, said LED constant current driver chip is PT4115, and said infrared receiver is HS0038.

The red LED is a 1W high-power LED with a luminous angle of 120°, a diameter of 8mm, a wavelength of 640nm and a standard operating current of 350mA; the blue LED is a 1W high-power LED with a luminous angle of 120°, a diameter of 8mm, a wavelength of 440nm and a standard operating current of 300mA. LED.

The diameter of the said aluminum substrate is 120mm, the inner diameter of the circle surrounded by the center point of the LED is 40mm, and the outer diameter is 80mm.

Different key values on the infrared remote controller correspond to different functions, including light switch, manual brightness gradient control, four-level manual brightness adjustment of 25%, 50%, 75%, and 100%, and red and blue light control options.

The beneficial effects of the present utility model are: the beneficial effects of the present utility model are: the light intensity of the red and blue light LEDs can be adjusted correspondingly according to different crops, which is more suitable for the needs of plants for different light intensities, and is also more conducive to the smooth progress of directional cultivation; at the same time The supplementary light adopts infrared remote control technology, which can realize the remote control of the LED supplementary light very conveniently. It has the advantages of simple structure, low power consumption, quick start, and soft dimming change.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of distribution of LEDs on the circuit board of the present invention.

Fig. 3 is a block diagram of the overall operating circuit of the utility model.

Fig. 4, Fig. 5 are the schematic circuit diagrams of the utility model.

Detailed ways

The utility model is described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings: as we all know, plants use light energy to convert carbon dioxide and water into organic matter and energy needed for their own growth and development through chlorophyll photosynthesis. The strongest area is the red light part with a wavelength of 640-660nm and the blue light part with a wavelength of 430-450nm. Blue light is beneficial to the growth of plant leaves, and red light is conducive to the growth of plant stems. The appropriate luminous flux ratio of red light and blue light (R/B) is necessary to develop morphologically sound plants. Therefore, this fill light uses red and blue LEDs as the light source, and its R/B ratio can be finely adjusted. The comprehensive average R/B ratio of 26 species of herbs, 7 species of woody species, 8 species of field crops and 20 species of artificial weather chambers was analyzed. Therefore, the R/B ratio of this LED supplementary light is set to about 1.84 under the standard working current, and the specific visual plant cultivation species can achieve the purpose of regulating the R/B ratio by adjusting the pulse duty ratio of red or blue LEDs. .

Referring to Fig. 1, after the LED supplementary light 100 is installed, align the infrared remote controller 200 with the infrared receiver on the LED light source controller 102, and press the lamp switch 201 on the infrared remote controller 200 to turn on and off the light. Control the brightness of the red and blue LEDs through the manual brightness gradient control 202 (+ key/- key) on the infrared remote control 200, and directly adjust the lamps and lanterns through the four-level manual brightness adjustment 203 of 25%, 50%, 75%, and 100%. Brightness to 25%, 50%, 75%, 100% of the maximum brightness, the red and blue light control selection 204 (R/B) on the infrared remote controller 200 can be used to select and adjust the red light LED106 or the blue light LED107.

Referring to Fig. 2, both the red LEDs 106 and the blue LEDs 107 are installed on the bottom surface of the circular aluminum substrate 105, and centered on the center of the aluminum substrate 105, they are arranged in two inner and outer rings, with six LEDs in the inner ring and twelve LEDs in the outer ring, with red LEDs in each ring. The light LEDs 106 and the blue light LEDs 107 are uniformly spaced and arranged in a circle at equal intervals, and each LED is equipped with a condenser lens 108; the diameter of the aluminum substrate 105 is 120mm, and the diameter of the inner circle surrounded by the center point of the LED is 40mm, the outer ring diameter is 80mm.

Referring to Fig. 3, the overall operation process of the utility model is as follows: the AC-DC power supply module 101 converts the AC 220V into DC 5V and 24V, and supplies power for the single-chip microcomputer control module and the LED constant current drive module inside the subsequent LED light source controller 102 respectively; the single-chip microcomputer The control module can receive the infrared signal emitted by the infrared remote controller 200, and output a PWM signal to control the LED constant current drive module to adjust the brightness of the red LED and the blue LED.

Referring to FIG. 4 , the AC-DC power supply module 101 of the LED fill light 100 is divided into two outputs of 5V and 24V. The 220V mains is connected to the primary coil of the transformer _T1 , and the output voltage of the secondary coil is connected to a bridge rectifier filter circuit composed of four rectifier diodes _D1 ~ _D4 , which provides about 20V voltage output to the voltage regulator chip after rectification and filtering U ₁ finally outputs DC 24V. Transformer _T1 is a finished power transformer with parameters of 220V/28V and 50W. D ₁ ~ D ₄ are silicon rectifier diodes, using 1N4007. C ₁ is a filter capacitor, using an electrolytic capacitor, the model is 220μF/50V, and the voltage regulator chip U ₁ uses a three-terminal voltage regulator LM7824. The 24V to 5V conversion circuit uses a step-down power management monolithic integrated circuit LM2596, which can output 3A Drive current, while having good linearity and load regulation characteristics. Fixed output versions include 3.3V, 5V, 12V, etc. In this circuit, the model U ₂ with fixed output 5V is used.

Referring to Fig. 5, the single-chip microcomputer control module inside the LED light source controller 102 adopts the STC89S52RC of Acer as the main control chip. After the module is powered on, the power-on reset circuit sends a reset signal to the single-chip microcomputer _U3 , and the single-chip microcomputer _U3 is in the reset state. Simultaneously, the oscillating circuit composed of quartz crystal oscillator CR ₁ and capacitors C ₆ and C ₇ starts to oscillate and sends a clock signal to the single-chip microcomputer U ₃ , and the single-chip microcomputer U ₃ starts to execute the internally programmed control program instructions. The control receiving port INT0 receives the signal sent by the infrared remote control 200, and the internal program recognizes and calculates the PWM waveform of the corresponding duty cycle, which is output by the control output ports P2.3 and P2.5 to control the LED driver chip, thereby controlling each LED module. drive current.

Referring to Figure 5, the LED constant current drive module adopts the chip PT4115, which is widely used, cheap and has relatively stable performance. D ₆ and D ₇ are free-wheeling diodes. Since they work under high-frequency pulses, Schottky diodes SS110 are used. L ₂ and L ₃ are rectifier inductors, designed to be 50μH. R ₂ and R ₃ are sampling resistors, which control the output current of PT4115, and are generally calculated by the following formula: R=0.1/I _OUT . Since the rated operating current of the red light series circuit is 350mA, and the rated operating current of the blue light series circuit is 300mA, R ₂ in the red light driving circuit is 0.286Ω, and R ₃ in the blue light driving circuit is 0.333Ω. The DIM terminal of PT4115 can be externally connected with PWM pulse or DC voltage for dimming. This design uses two PT4115s to realize two-way output to control the red LED module and the blue LED module respectively, and controls the output current of the LED constant current drive module by receiving the PWM waveform output by the single-chip control module to realize brightness adjustment.

Referring to Fig. 5, the remote control system of the present invention adopts the infrared remote control 200 to cooperate with the HS0038 infrared receiving head. When each button of the infrared remote control 200 is pressed, it will emit waveforms of different frequencies. After decoding and analyzing by the HS0038 infrared receiver, different binary codes are sent to the single-chip microcomputer for identification. The single-chip microcomputer executes corresponding instructions according to the received code value.

Claims (6)

1. the red blue dichromatism infrared remote control great power LED light compensating lamp that brightness is adjustable, comprise LED light compensating lamp (100) and IR remote controller (200), it is characterized in that: described LED light compensating lamp (100) comprises AC-DC power module (101) from top to bottom, LED light source controller (102), radiating fin (103), housing (104), aluminium base (105) and centered by aluminium base (105) center of circle, be the red-light LED (106) that inside loop and outside loop is arranged, blue-ray LED (107), every LEDs is all furnished with collector lens (108), LED is installed in the bottom surface of circular aluminum substrate (105), in the LED of inside loop and outside loop, six, interior ring, 12 of outer shrouds, red-light LED in every ring (106) and blue-ray LED (107) all one by one interval be equally spaced circumferential arrangement, described IR remote controller (200) can be launched infrared signal, by transferring to inner single chip control module after the upper infrared remote receiver receipt decoding arranging of LED light source controller (102), single-chip microcomputer is carried out corresponding instruction output pwm signal according to the code value receiving and is controlled LED constant-current driven module with the brightness of regulation and control red-light LED (106) and blue-ray LED (107).

2. the adjustable red blue dichromatism infrared remote control great power LED light compensating lamp of brightness as claimed in claim 1, it is characterized in that the exportable direct current 5V of said AC-DC power module (101) and 24V, is the inner single chip control module of follow-up LED light source controller (102) and the power supply of LED constant-current driven module.

3. the adjustable red blue dichromatism infrared remote control great power LED light compensating lamp of brightness as claimed in claim 1, it is characterized in that said single-chip microcomputer is enhancement mode 51 single-chip microcomputer STC89S52RC, said LED constant-current driven chip is PT4115, and said infrared remote receiver is HS0038.

4. the adjustable red blue dichromatism infrared remote control great power LED light compensating lamp of brightness as claimed in claim 1, is characterized in that said red-light LED (106) is for the 1W great power LED of 120 ° of light emitting angers, diameter 8mm, wavelength 640nm and standard operation electric current 350mA; Blue-ray LED (107) is the 1W great power LED of 120 ° of light emitting angers, diameter 8mm, wavelength 440nm and standard operation electric current 300mA.

5. the adjustable red blue dichromatism infrared remote control great power LED light compensating lamp of brightness as claimed in claim 1, is characterized in that said aluminium base (105) diameter is 120mm, and in the circumference that the central point of LED surrounds, ring diameter is 40mm, and outer ring diameter is 80mm.

6. the adjustable red blue dichromatism infrared remote control great power LED light compensating lamp of brightness as claimed in claim 1, it is characterized in that on said IR remote controller (200), different key-value pairs are answered difference in functionality, comprise lamp switch (201), the manual ramp control of brightness (202), 25%, 50%, 75%, 100% the manual brightness regulation of level Four (203) and red blue light are controlled and are selected (204).