CN202791563U - Red, blue and far-red patch LED (Light Emitting Diode) light supplement lamp band - Google Patents

Abstract

The utility model relates to a red, blue and far-red patch LED (Light Emitting Diode) light supplement lamp band. The lamp band comprises a voltage stabilizing circuit (7), an illumination control circuit (10), a nixie tube display circuit (11), a constant current drive circuit (8) and a red, blue and far-red patch LED serial-parallel circuit (9); a lamp body comprises a switching power supply (1), an LED light source controller (3), a waterproof transparent PVC (Polyvinyl Chloride) fitting sleeve (6) and LEDs (5) from top to bottom; and the LEDs (5) are uniformly arranged in two rows at equal intervals. The light supplement lamp band adopts the red, blue and far-red patch LEDs as a light source, the uniform illumination degree of red, blue and far-red lights is improved, the spatial arrangement and wiring modes of the LEDs are simplified, and a space utilization rate is improved; in addition, a red and blue light flux ratio (R/B) and a red and far-red light flux ratio (R/FR) of the light supplement lamp band can be finely adjusted, and the light supplement lamp band can be flexibly inserted into or wound among plants and can meet the demands of different plants and different plant parts on different illumination intensities in details and improve the photosynthesis effect. The light supplement lamp band has the advantages of simplicity in structure, low power consumption, long service life, convenience for maintenance and the like.

Description

Red indigo plant red trichromatism paster LED far away light-supplement lamp band

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 indigo plant red trichromatism paster LED far away light filling flexible light band.

Background technology

CN202118681 discloses the applicant's " red blue far infrared three coloured light LED bar formula light compensating lamps " patent, to be arranged with 3 row LED at a long strip type substrate, the first row and the third line are all with red-light LED and blue-ray LED interval one by one, number equates, photochromic dislocation proper alignment, the second row is far red light LED entirely, be arranged on the crosspoint of per two adjacent red-light LEDs and per two adjacent blue-ray LED diagonal angle lines, 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 rigid substrates and round LED, can only place plant top or four sides during light filling, can not be interspersed between plant or be wrapped in closely to have more on the plant and carry out pointedly light filling, and this lamp adopts three kinds of monochromatic light LED to be arranged in a combination, it is even not to cause ruddiness, blue light and far-red light to mix in the space, fails to reach the perfect condition of natural lighting.

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 indigo plant red trichromatism paster LED far away light-supplement lamp band.

The technical scheme that solves the problems of the technologies described above employing is: this is used for indoor photosynthetic red indigo plant red trichromatism paster LED far away light-supplement lamp band, 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 indigo plant red trichromatism paster LED far away series-parallel circuit; Hardware components comprises Switching Power Supply, led light source controller, the fit cover of waterproof transparent PVC and LED from top to bottom.LED is installed in the fit cover of waterproof transparent PVC, and it is equidistantly evenly distributed to be two row, and the central row spacing of each adjacent LED is 1.0cm, and the central series spacing is 1.0cm.

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 the red indigo plant of six pin red trichromatism paster LED far away, red light wavelength 637mm wherein, bandwidth 12nm, luminous intensity 18cd (candela), standard operation electric current 10mA; Blue light wavelength 459nm, bandwidth 16nm, luminous intensity 4cd, standard operation electric current 20mA; Far-red light wavelength 735nm, bandwidth 20nm, luminous intensity 0.4cd, standard operation electric current 50mA.

The beneficial effects of the utility model are: adopt red indigo plant red trichromatism paster LED far away as light source, guarantee that red blue far-red light is uniform irradiation in LED lamp pearl inside, compare with the existing light compensating lamp of red indigo plant red three kinds of monochromatic light LED combination far away that adopts, illumination homogenising degree is improved; Because this light-supplement lamp band uses the LED of same specification, compare with the existing light compensating lamp of ruddiness, three kinds of specification LED combinations of blue light and far-red 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-supplement lamp band all can meticulously be regulated with ruddiness far-red light light flux ratio (R/FR) in addition, flexibility can be interted or twine between plant, refinement different plants and the plant different parts demand to different illumination intensity, improved the photosynthesis effect, 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 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, 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 LED5 in the flexible light band by wire 4.LED5 all is fixed in the fit cover 6 of waterproof transparent PVC.It is equidistantly evenly distributed that LED5 is two row, and the central row spacing of each adjacent LED is 1.0cm, and the central series spacing is 1.0cm.Then the rear parallel connection of connecting first of the ruddiness of LED, blue light and far-red light pin receives respectively in the drive circuit separately.The LED that selects is the red indigo plant of six pin red trichromatism paster LED far away, red light wavelength 637nm wherein, bandwidth 12nm, luminous intensity 18cd, standard operation electric current 10mA; Blue light wavelength 459nm, bandwidth 16nm, luminous intensity 4cd, standard operation electric current 20mA; Far-red light wavelength 735nm, bandwidth 20nm, luminous intensity 0.4cd, standard operation electric current 50mA.

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, wavelength is the favourable increase plant height of the far-red light of 720-800nm, therefore selects red indigo plant red trichromatism LED far away light filling that its scientific basis is arranged.Suitable ruddiness and blue light light flux ratio (R/B) are to cultivate the necessary condition of the sound plant of form, so this light compensating lamp is designed to the R/B ratio and can meticulously regulates.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, blue light and infrared light LED, to reach the purpose of regulation and control R/B ratio and R/FR ratio.

Referring to Fig. 2, 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 7, and another road is connected to constant-current drive circuit 8.24V voltage is through R ₁Step-down exports illumination control circuit 10 to after the LM7805 voltage stabilizing, be single-chip microcomputer IC ₂Reliable operating voltage is provided.Constant-current drive circuit 8 output constant currents are red indigo plant red trichromatism paster LED far away series-parallel circuit 9, simultaneously ruddiness, blue light and the far-red light chip in the lightening LED lamp pearl extremely.IC ₃, IC ₄, IC ₅Be constant-current driven chip, adopt be widely used at present, cheapness and the more stable PT4115 of performance.D ₁, D ₂, D ₃Be fly-wheel diode, owing to be operated under the high-frequency impulse, adopt Schottky diode SS110.L ₁, L ₂, L ₃Be inductor rectifier, be designed to 50 μ H.R ₂, R ₃, R ₄Be 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 that 100mA is (take 8 series connection as 1 group, 10 groups of parallel connections are example, and are lower same), blue light series-parallel circuit rated operational current is 200mA, far-red light series-parallel circuit rated operational current is 500mA, so R in the ruddiness drive circuit ₂Get 1.00 Ω, R in the blu-ray drives circuit ₃Get 0.50 Ω, R in the far-red light drive circuit ₄Get 0.20 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 far-red 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. 2, this light compensating lamp illumination control circuit 10 adopts enhancement mode 51 chip microcontroller.24V voltage exports illumination control circuit 10 to after mu balanced circuit 7 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 far-red light light intensity regulating.The INT0 of single-chip microcomputer, INT1 and the output of T0 pin are connected to respectively IC ₃, IC ₄And IC ₅DIM end.Button TB ₁-TB ₆Being respectively ruddiness brightness increases key, ruddiness brightness and reduces key, blue light brightness and increase that key, blue light brightness reduce key, far-red light brightness increases key and far-red light brightness reduces key, be connected to the P1.1-P1.7 pin, can realize any brightness regulation in the red blue far-red light 0-10 level scope.C ₅And R ₅Consist of reset circuit of SCM, when powering on to Program reset, C ₅Available 10 μ F/25V electrochemical capacitors, R ₅Use 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. 2, the digital pipe display circuit 11 of this light compensating lamp is by four seven sections LED common anode charactron IC ₆Form 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 brightness degree of ruddiness, blue light and far-red light in real time by the output of single-chip microcomputer P2 mouth, with convenient R/B ratio and the R/FR ratio regulated.

Claims (4)

1. red indigo plant red trichromatism paster LED far away light-supplement lamp band, be comprised of circuit and hardware two parts, circuit part comprises mu balanced circuit (7), illumination control circuit (10), digital pipe display circuit (11), constant-current drive circuit (8) and red indigo plant red trichromatism paster LED far away series-parallel circuit (9); Hardware components comprises Switching Power Supply (1), led light source controller (3), the fit cover of waterproof transparent PVC (6) and LED (5) from top to bottom, LED (5) is installed in the fit cover of waterproof transparent PVC (6), it is equidistantly evenly distributed to be two row, the central row spacing of each adjacent LED (5) is 1.0cm, and the central series spacing is 1.0cm.

2. red indigo plant as claimed in claim 1 red trichromatism paster LED far away light-supplement lamp band 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 indigo plant as claimed in claim 1 red trichromatism paster LED far away light-supplement lamp band 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 indigo plant as claimed in claim 1 red trichromatism paster LED far away light-supplement lamp band is characterized in that said LED (5) is the red indigo plant of six pin red trichromatism paster LED far away, red light wavelength 637nm wherein, bandwidth 12nm, luminous intensity 18cd, standard operation electric current 10mA; Blue light wavelength 459nm, bandwidth 16nm, luminous intensity 4cd, standard operation electric current 20mA; Far-red light wavelength 735nm, bandwidth 20nm, luminous intensity 0.4cd, standard operation electric current 50mA.

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