CN202791550U - Red-blue dual-base color integrated LED (Light-Emitting Diode) strip type light-supplementing lamp - Google Patents

Abstract

The utility model provides a red-blue dual-base color integrated LED (Light-Emitting Diode) strip type light-supplementing lamp. The red-blue dual-base color integrated LED strip type light-supplementing lamp comprises a voltage-stabilizing circuit (10), an illumination control circuit (13), a nixie tube display circuit (14), a constant-current driving circuit (11) and a red-blue dual-base color integrated LED series-parallel connection circuit (12); a lamp body consists of a switching power supply (1), an LED light source controller (3), a radiating fin (6), a shell (5), a circuit board (8) and LEDs (9) from top to bottom, the LEDs (9) are all arranged at the lower side of the long strip-shaped circuit board (8) and evenly distributed into two rows at equal intervals. The light-supplementing lamp adopts the red-blue dual-base color integrated LEDs as light sources, so that the radiation evenness degree of the red and blue light can be improved, space arrangement and wire connection mode can be simplified, and the space utilization rate can be improved; and the light-supplementing lamp has a long strip-shaped structure, and can directly replace the conventional fluorescent lamp, so that the transformation workload can be lightened, the luminous flux (R/B) of red and blue light can be finely adjusted, the photosynthesis can be prompted, and the plant state can be controlled, and the light-supplementing lamp has the advantages of being simple in structure, low in electricity consumption, long in service life, convenient to maintain and the like.

Description

Red blue dual base color integrated LED bar formula light compensating lamp

Technical field

The utility model relates to a kind of photosynthesis irradiation light that is suitable for doing indoor environment, specifically a kind of red blue dual base color integrated LED bar formula light compensating lamp.

Background technology

CN202065806 discloses the applicant's " red blue two color light LED bar formula light compensating lamp " patent, in a long strip type substrate, to arrange two row LED, the first row is one by one interval of red-light LED and blue-ray LED, the coloured light of the second row is opposite with the first row, Heterogeneous Permutation one by one, this Stability Analysis of Structures is constant, and is easy to use, cost of manufacture is low.But this lamp is owing to be to adopt two kinds of monochromatic light LED to be arranged in a combination, and it is even not to cause Red and blue light to mix in the space, fails to reach the perfect condition of natural lighting.And the red blue light light flux ratio (R/B) of this lamp is unadjustable, and different plants is larger to the demand difference of R/B, so this lamp can only be for the plant light compensation of particular types, applicable surface is narrow.

The utility model content

For the above-mentioned deficiency of prior art, problem to be solved in the utility model provides a kind of red blue dual base color integrated LED bar formula light compensating lamp.

The technical scheme that solves the problems of the technologies described above employing is: this is used for indoor photosynthetic red blue dual base color integrated LED bar formula light compensating lamp, be comprised of circuit and hardware two parts, circuit part comprises mu balanced circuit, illumination control circuit, digital pipe display circuit, constant-current drive circuit and red blue dual base color integrated LED series-parallel circuit; Hardware components comprises Switching Power Supply, led light source controller, fin, housing, circuit board and LED from top to bottom.LED is installed in long strip type circuit board downside, and it is equidistantly evenly distributed to be two row, and the central row spacing of each adjacent LED is 1.5cm, and the central series spacing is 1.5cm.Fin is distributed in the circuit board opposite side.LED, circuit board and fin are installed in the housing, form together bar formula light filling fluorescent tube, and fluorescent tube one end is equipped with end cap, and the other end is connected to the led light source controller by wire.This led light source controller is furnished with 5 LED fluorescent tube interfaces, can drive simultaneously and control 5 LED bar formula light filling fluorescent tubes.

Said Switching Power Supply is the isolated DC Switching Power Supply, and input voltage is 100-240V, and output voltage is 24V, and output current is 0-3.2A.

Said led light source controller comprises enhancement mode 51 single-chip microcomputer Master control chips, charactron display floater, push-button array and time switch module.

Said LED is red blue dual base color integrated LED, 7 ° of half-value angles, diameter 6mm, 4 of pins.Red light wavelength 637nm wherein, bandwidth 12nm, luminous intensity 23cd (candela), standard operation electric current 10mA; Blue light wavelength 459nm, bandwidth 16nm, luminous intensity 6cd, standard operation electric current 20mA.

The beneficial effects of the utility model are: adopt red blue dual base color integrated LED as light source, guarantee that red blue light is uniform irradiation in LED lamp pearl inside, compare with the existing light compensating lamp of red blue two kinds of monochromatic light LED combination that adopts, red blue light illumination homogenising degree is improved; Because this light compensating lamp uses the LED of same specification, compare with the existing light compensating lamp of two kinds of specification LED combinations of Red and blue light that uses simultaneously, space arrangement and the mode of connection are simplified, and space availability ratio is improved.The red blue light light flux ratio (R/B) of this light compensating lamp can meticulously be regulated in addition, thereby promote photosynthesis and control plant forms, and this light fixture is the long strip type structure, can directly substitute conventional fluorescent lamp, alleviated the repacking workload, have simple in structure, power consumption is low, long service life, the advantage such as easy to maintenance.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the utility model long strip type circuit onboard led distribution schematic diagram.

Fig. 3 is the utility model circuit theory diagrams.

The specific embodiment

The utility model is described in further detail below in conjunction with embodiment and with reference to accompanying drawing: referring to Fig. 1, in a housing 5, be fixedly installed a long strip type circuit board 8, circuit board 8 tops configuration fin 6, the input of one Switching Power Supply 1 uses wire to be connected with external power source, the output of Switching Power Supply 1 is connected with led light source controller 3 by wire 2, and the output of led light source controller 3 is connected to led array 9 in the lamp holder by wire 4.Led array 9 all is fixed on the long strip type circuit board 8.As shown in Figure 2, it is equidistantly evenly distributed that LED is two row, and the central row spacing of each adjacent LED is 1.5cm, and the central series spacing is 1.5cm.Then the rear parallel connection of connecting first of the ruddiness pin of LED and blue light pin receives respectively in the drive circuit separately.The LED that selects is red blue dual base color integrated LED, 7 ° of half-value angles, diameter 6mm, 4 of pins.Red light wavelength 637nm wherein, bandwidth 12nm, luminous intensity 23cd, standard operation electric current 10mA; Blue light wavelength 459nm, bandwidth 16nm, luminous intensity 6cd, standard operation electric current 20mA.

Studies show that, the strongest zone of plant absorbing spectrum is that wavelength is the red light portion of 640-660nm and the blue light part that wavelength is 430-450nm, blue light is conducive to the growth of plant leaf blade, ruddiness is conducive to the growth of plant stem, and suitable ruddiness and blue light light flux ratio (R/B) are to cultivate the necessary condition of the sound plant of form.Therefore this light compensating lamp adopts red blue dual base color LED as light source, and its R/B ratio can meticulously be regulated.To 26 kinds of draft classes, 7 kinds of woodies, 8 kinds in field crop and artificial 20 kinds of photosynthesis tracing analysis of meteorological office, its R/B is than comprehensive average out to 1.84.So the R/B ratio of this LED light compensating lamp under the standard operation electric current is set as about 1.84, concrete visual plant culture kind is by regulating the pulse duty factor of ruddiness or blue-ray LED, to reach the purpose of regulation and control R/B ratio.

Referring to Fig. 3, this light compensating lamp circuit has adopted the low pressure constant-current source.The 220V alternating current is exported the 24V DC voltage after Switching Power Supply 1, the one tunnel is connected to mu balanced circuit 10, and another road is connected to constant-current drive circuit 11.24V voltage is through R ₁Step-down exports illumination control circuit 13 to after the LM7805 voltage stabilizing, be single-chip microcomputer IC ₂Reliable operating voltage is provided.Constant-current drive circuit 11 output constant currents are red blue dual base color integrated LED series-parallel circuit 12, simultaneously the Red and blue light chip in the lightening LED lamp pearl extremely.IC ₃, IC ₄Be constant-current driven chip, adopt be widely used at present, cheapness and the more stable PT4115 of performance.D ₁, D ₂Be fly-wheel diode, owing to be operated under the high-frequency impulse, adopt Schottky diode SS110.L ₁, L ₂Be inductor rectifier, be designed to 50 μ H.R ₂, R ₃Be sample resistance, control PT4115 output current size is generally calculated with following formula: R=0.1/I _OutBecause ruddiness series-parallel circuit rated operational current is 100mA (take 8 series connection as 1 group, 10 groups of parallel connections are example, and is lower same), blue light series-parallel circuit rated operational current is 200mA, so R in the ruddiness drive circuit ₂Get 1.00 Ω, R in the blu-ray drives circuit ₃Get 0.50 Ω.The DIM of PT4115 end can external pwm pulse or DC voltage light modulation, because the design adopts the PWM technology to regulate red blue light intensity of illumination, so the external pwm signal by 3 outputs of led light source controller of DIM, set of frequency is 1000Hz.

Referring to Fig. 3, this light compensating lamp illumination control circuit 13 adopts enhancement mode 51 chip microcontroller.24V voltage exports illumination control circuit 13 to after mu balanced circuit 10 voltage stabilizings, be single-chip microcomputer IC ₂Reliable 5V operating voltage is provided.IC ₁Adopt three terminal regulator LM7805, IC ₂Adopt single-chip microcomputer STC89C52RC, inner download control program is to realize red blue light light intensity regulating.The P1.3 of single-chip microcomputer and the output of P1.4 pin are connected to respectively IC ₃And IC ₄DIM end.Button TB ₁-TB ₄Be respectively ruddiness brightness and increase that key, ruddiness brightness reduce key, blue light brightness increases key and blue light brightness reduces key, is connected to P1.5-P1.7 and P1.1 pin, can realize any brightness regulation in the red blue light 0-100 level scope.C ₅And R ₄Consist of reset circuit of SCM, when powering on to Program reset, C ₅Available 10 μ F/25V electrochemical capacitors, R ₄Use the 1K precision resistance.C ₃, C ₄And CR ₁Consist of the single-chip microcomputer oscillating circuit, provide time reference, C ₃And C ₄Available 22pF ceramic disc capacitor, CR ₁Available 12MHz crystal oscillator.

Referring to Fig. 3, the digital pipe display circuit 14 of this light compensating lamp is by four seven sections LED common anode charactron IC ₅Form with four positive-negative-positive 9012 triodes.Take turns scan flow group of four figures pipe by control triode break-make and realize that dynamic scan shows.Font code information can show the Red and blue light brightness degree in real time by the output of single-chip microcomputer P2 mouth, with the convenient R/B ratio of regulating.

Claims (4)

1. red blue dual base color integrated LED bar formula light compensating lamp, be comprised of circuit and hardware two parts, circuit part comprises mu balanced circuit (10), illumination control circuit (13), digital pipe display circuit (14), constant-current drive circuit (11) and red blue dual base color integrated LED series-parallel circuit (12); Hardware components comprises Switching Power Supply (1), led light source controller (3), fin (6), housing (5), circuit board (8) and LED (9) from top to bottom, LED (9) is installed in long strip type circuit board (8) downside, it is equidistantly evenly distributed to be two row, the central row spacing of each adjacent LED is 1.5cm, and the central series spacing is 1.5cm; Fin (6) is distributed in circuit board (8) opposite side, LED (9), circuit board (8) and fin (6) are installed in the housing (5), form together bar formula light filling fluorescent tube, fluorescent tube one end is equipped with end cap (7), and the other end is connected to led light source controller (3) by wire; This led light source controller (3) is furnished with 5 LED fluorescent tube interfaces, can drive simultaneously and control 5 LED bar formula light filling fluorescent tubes.

2. red blue dual base color integrated LED bar formula light compensating lamp as claimed in claim 1 is characterized in that said Switching Power Supply (1) is the isolated DC Switching Power Supply, and input voltage is 100-240V, and output voltage is 24V, and output current is 0-3.2A.

3. red blue dual base color integrated LED bar formula light compensating lamp as claimed in claim 1 is characterized in that said led light source controller (3) comprises enhancement mode 51 single-chip microcomputer Master control chips, charactron display floater, push-button array and time switch module.

4. red blue dual base color integrated LED bar formula light compensating lamp as claimed in claim 1 is characterized in that said LED (9) is red blue dual base color integrated LED, 7 ° of half-value angles, diameter 6mm, 4 of pins.Red light wavelength 637nm wherein, bandwidth 12nm, luminous intensity 23cd, standard operation electric current 10mA; Blue light wavelength 459nm, bandwidth 16nm, luminous intensity 6cd, standard operation electric current 20mA.

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