CN105072769B - The LED light device and its control method of simulating sun photomovement in plant factor - Google Patents
The LED light device and its control method of simulating sun photomovement in plant factor Download PDFInfo
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- CN105072769B CN105072769B CN201510526816.2A CN201510526816A CN105072769B CN 105072769 B CN105072769 B CN 105072769B CN 201510526816 A CN201510526816 A CN 201510526816A CN 105072769 B CN105072769 B CN 105072769B
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Abstract
The invention discloses the bottom lamp plate at the top of the LED light device and its control method of simulating sun photomovement in a kind of plant factor, including cultivation layer, it is placed in the left side lamp plate for cultivating layer both sides and right side lamp plate, the first drive circuit, the second drive circuit, the 3rd drive circuit and plant factor Zhong Kong centers；Left side lamp plate and right side lamp plate be respectively positioned on below bottom lamp plate and between the lamp plate of bottom angle of inclination more than 90 degree；Bottom lamp plate, left side lamp plate and right side lamp plate simultaneously correspond to be provided with the first LED/light source, the second LED/light source and the 3rd LED/light source down respectively；First drive circuit, the second drive circuit and the 3rd drive circuit output end connect three LED/light sources by the first relay, the second relay, the 3rd relay respectively；First relay, the second relay and the 3rd relay connect plant factor Zhong Kong centers respectively, and the present invention can adjust direction and the time of illumination as desired, reach the effect of regulation plant photomorphogenesis.
Description
Technical field
The invention belongs to LED field, in more particularly to a kind of plant factor the LED light device of simulating sun photomovement and
Its control method.
Background technology
The growth of plant is played an important role by various plants hormone control, wherein auxin etc. and the morphogenesis of plant.
Auxin refers generally to heteroauxin, and it is prevalent among various plant tissues, can promote plant growth in low concentration, special
It is not the elongation of cell.Auxin uniformly results from plant tip separate living tissue, and can be produced laterally in the presence of illumination
Transport, transporting direction is, to light side to backlight side, to be allowed to uneven distribution.Auxin pockety acts on plant and stretched
Long area, makes backlight side cell accelerate elongation, and phototropism growth occurs for plant.The phenomenon of this illumination effect growth and development of plants claims
For the photomorphogenesis of plant.
In totally enclosed plant factor, the electricity charge are the prime cost places of production.The plant light compensation in old times is frequently with height
, there is the defect that high energy consumption, spectrum and plant demand differ greatly in pressure sodium lamp or fluorescent lamp etc., it is difficult to ensure that protected crop is efficient
The demand of production.And these light sources operationally produce substantial amounts of heat, if can closely make its " scald " excessively apart from plant.It is referred to as
The LED of forth generation light source is a kind of solid state light emitter, small etc. with small volume, lightweight, energy-conserving and environment-protective, long-life, spectrum widening
Advantage, has incomparable advantage compared with conventional light source, is to substitute the perfect light source that conventional light source carries out efficient light filling.More attach most importance to
Want, LED/light source is cold light source, during work with light radiation go out it is hot less, can press close to plant leaf blade surface irradiation, reduce
Irradiation distance, improves light efficiency.
In closed plant factory now, the crop majority in growth period is cultivated using multilayer culturing frame.
Each top for cultivating layer is equipped with fixed light source in this culturing frame, to provide the light needed for growth and development of plants.
But it is due to that light source is fixed, direction of illumination is immutable, therefore can make the feelings in the photomorphogenesis and nature of plant
Condition difference, this may result in the teratogenesis of plant, influence the economic value of plant.Suitably adjusted in cultivating process
Section direction of illumination can reduce this species diversity.
The content of the invention
It is an object of the invention to the shortcoming and deficiency for overcoming prior art, there is provided daylight fortune is simulated in a kind of plant factor
Dynamic LED light device, the lighting device can adjust direction and the light application time of illumination according to actual demand, so as to reach regulation
The effect of plant photomorphogenesis.
The second object of the present invention is to provide simulating sun photomovement in a kind of plant factor realized based on said apparatus
LED illumination control method.
The first object of the present invention is achieved through the following technical solutions：The LED of simulating sun photomovement in a kind of plant factor
Lighting device, including be placed in and cultivate bottom lamp plate at the top of layer, be placed in the left side lamp plate for cultivating layer both sides and right side lamp plate, first
Drive circuit, the second drive circuit, the 3rd drive circuit and plant factor Zhong Kong centers；
Left side lamp plate and right side lamp plate are respectively positioned on below the lamp plate of bottom and the angle of inclination between the lamp plate of bottom is more than 90
Degree；
Bottom lamp plate, left side lamp plate and right side lamp plate simultaneously correspond to be provided with the first LED/light source, the 2nd LED down respectively
Light source and the 3rd LED/light source；
The input of first drive circuit, the second drive circuit and the 3rd drive circuit connects power supply, the first driving respectively
The output end of circuit connects the first LED/light source by the first relay, and the output end of the second drive circuit passes through the second relay
The second LED/light source is connected, the output end of the 3rd drive circuit connects the 3rd LED/light source by the 3rd relay；First relay,
Second relay and the 3rd relay connect plant factor Zhong Kong centers respectively, and theirs are controlled by plant factor Zhong Kong centers
Working condition.
It is preferred that, the angle of inclination between the left side lamp plate and right side lamp plate and bottom lamp plate is 120 degree~150 degree；
Left side lamp plate and right side lamp plate are mirror.
It is preferred that, first LED/light source, the second LED/light source and the 3rd LED/light source are respectively perpendicular installed in bottom lamp
Plate, left side lamp plate and right side lamp plate are down on the panel of one side.
It is preferred that, first LED/light source, the second LED/light source and the 3rd LED/light source have multiple rectangular arrangements respectively
LED is constituted, wherein the first LED/light source includes the photochromic LED for infrared light, feux rouges and green glow, the second LED/light source and the
Three LED/light sources include photochromic for blueness and the LED of purple.
Further, LED homochromy in first LED/light source draws the end of a thread after connecting and being connected in parallel,
First drive circuit output end is connected by the first relay with extraction the end of a thread of the first LED/light source；In second LED/light source
Homochromy LED draws the end of a thread after connecting and being connected in parallel, and the second drive circuit output end passes through the second relay and
Extraction the end of a thread connection of two LED/light sources；Homochromy LED is drawn after connecting and being connected in parallel in 3rd LED/light source
The end of a thread, the 3rd drive circuit output end is connected by the 3rd relay with extraction the end of a thread of the 3rd LED/light source.
It is preferred that, first drive circuit, the second drive circuit and the 3rd drive circuit are by rectification circuit, filtered electrical
Road and switch change circuit composition.
Further, the movable contact and normally opened contact of the first relay connect the first drive circuit output end and respectively
One LED/light source, the movable contact and normally opened contact of the second relay connect the second drive circuit output end and the second LED light respectively
Source, the movable contact and normally opened contact of the 3rd relay connect the 3rd drive circuit output end and the 3rd LED/light source respectively, first after
The input of electrical equipment, the second relay and the 3rd relay connects plant factor Zhong Kong centers respectively, in being controlled in plant factor
The heart controls the "on" position of the input of the first relay, the second relay and the 3rd relay.
The second object of the present invention is achieved through the following technical solutions：In a kind of plant factor realized based on said apparatus
The LED illumination control method of simulating sun photomovement, step is as follows：
S1, the dark phase in the simulation photoperiod：Controlled in plant factor centrally through the first relay, the second relay and
Between three the first drive circuits of Control and the first LED power, between the second drive circuit and the second LED power and
Three drive circuits are separated with the 3rd LED power, and the first LED/light source, the second LED/light source and the 3rd LED/light source are to be in
Off state；
S2, the photophase in the simulation photoperiod：Controlled in plant factor centrally through first the first drive circuit of Control
Connected between the first LED power so that the first LED/light source is in normal bright state, while being controlled in plant factor centrally through the
Between two relays and the 3rd the second drive circuit of Control and the second LED power and the 3rd drive circuit and the 3rd
Between LED power in turn and circulation connect so that the second LED power and the 3rd LED/light source in turn and circulation light, so as to simulate
The angle change of daylight.
It is preferred that, plant factor Zhong Kong centers control the second drive circuit of control and the second LED power in the step S2
Between time for connecting every time it is identical with the time connected every time between the 3rd drive circuit and the 3rd LED power, i.e. the 2nd LED
The duration that power supply is lighted every time is identical with the duration that the 3rd LED power is lighted every time.
The present invention has the following advantages and effect relative to prior art：
(1) present invention at the top of cultivation layer by being provided with the bottom lamp plate of LED/light source and being set cultivating layer both sides
Left side lamp plate and right side lamp plate with LED/light source is put to provide illumination, wherein bottom lamp plate, left side to cultivate the plant on layer
LED/light source on lamp plate and right side lamp plate connects power supply by drive circuit all the way respectively, power supply and No. three drive circuits it
Between again be respectively provided with relay, by the working condition of plant factor Zhong Kong centers control relay, to realize to bottom lamp
Controlled in the control of plate, left side lamp plate and the LED/light source on the lamp plate of right side, plant factor of the present invention centrally through Control three
When LED/light source on individual lamp plate all extinguishes, the simulation of dark phase in the photoperiod can be realized；And controlled in plant factor centrally through
Control bottom lamp plate LED/light source is lighted and the LED/light source on left side lamp plate and right side lamp plate is circulated when lighting in turn, energy
The simulation of photophase in the photoperiod is enough realized, and is circulated in turn by the LED/light source on left side lamp plate and right side lamp plate and lights mould
Intend the angle change of daylight.Therefore the present invention can adjust direction and the light application time of illumination according to actual demand, relative to existing
Some fixed light sources, can be closer to natural environment to vegetational zone, so as to improve the photomorphogenesis process of plant, make
Institute's planting plants outward appearance is closer to the plant obtained by traditional cultivation method.
(2) lamp plate of bottom plate lamp plate both sides is placed in the present invention for specular relation, therefore the quantity of LED can be turned over
Times, the LED for being placed in left side lamp plate and right side lamp plate is only limitted to blue violet light closely related to plant photomorphogenesis etc., and red
Outside, red, green glow etc. is positioned over to the less light source of plant photomorphogenesis correlation cultivates layer top, therefore The present invention reduces
LED quantity, saves cost.
(3) bottom plate lamp plate of the present invention, left side lamp plate with can include Bu Tong photochromic LED in the light source of right side lamp plate,
The need for being more suitable for growth and development of plants.
Brief description of the drawings
Fig. 1 is apparatus of the present invention structural representation.
Fig. 2 is apparatus of the present invention schematic block circuit diagram.
Fig. 3 is present invention driver circuit schematic diagram.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment
Present embodiment discloses a kind of LED light device of simulating sun photomovement in plant factor, as shown in figure 1, including
It is placed in and cultivates the bottom lamp plate 2 at the top of layer 4, is placed in the left side lamp plate 3 for cultivating the both sides of layer 4 and the driving electricity of right side lamp plate 1, first
Road, the second drive circuit, the 3rd drive circuit and plant factor Zhong Kong centers；
Left side lamp plate and right side lamp plate are respectively positioned on below the lamp plate of bottom and the angle of inclination between the lamp plate of bottom is more than 90
Degree, this angle of inclination can select 120 degree~150 degree, and left side lamp plate 3 and right side lamp plate 1 are mirror, i.e. left side lamp plate
Angle of inclination between 3 and bottom lamp plate 2 is identical with the angle of inclination between right side lamp plate 1 and bottom plate lamp plate 2.Bottom lamp plate 2,
Left side lamp plate 3 and right side lamp plate 1 simultaneously correspond to be vertically installed with the first LED/light source, the second LED/light source and the 3rd down respectively
LED/light source.The light sent on three lamp plates is into 30 degree~60 degree being radiated on plant.Three lamp plate centers are into plantation platform
The distance of the heart is equal, and wherein lamp plate can be determined with planting the distance of platform according to the height planted, and be taken in the present embodiment
500mm.Three lamp plates are fixed by screws on culturing frame 5.
First LED/light source, the second LED/light source and the 3rd LED/light source are made up of the LED of multiple rectangular arrangements respectively,
Wherein the first LED/light source includes the photochromic LED for infrared light, feux rouges and green glow, and it is to be built with Plant Light form that these are photochromic
Into less photochromic is acted on, the second LED/light source and the 3rd LED/light source include photochromic for blueness and the LED of purple, these light
Color is and closely related photochromic of plant photomorphogenesis.The present embodiment device is mixed by the LED of different colours on lamp plate
The spectrum needed.Various photochromic LED luminous intensities according to growth and development of plants the need for choose.
As shown in Fig. 2 the input of the first drive circuit, the second drive circuit and the 3rd drive circuit connects electricity respectively
Source, the output end of the first drive circuit connects the first LED/light source by the first relay, and the output end of the second drive circuit passes through
Second relay connects the second LED/light source, and the output end of the 3rd drive circuit connects the 3rd LED/light source by the 3rd relay；
First relay, the second relay and the 3rd relay connect plant factor Zhong Kong centers respectively, in being controlled in plant factor
The heart controls their working condition.Controlled in plant factor and control bottom lamp plate, left side lamp respectively centrally through No. three drive circuits
Light source on plate and right side lamp plate, being controlled by each driving circuit for three part light source independences, does not interfere with each other.
As shown in figure 3, the drive circuit of the present embodiment first, the second drive circuit and the 3rd drive circuit are by being sequentially connected
Rectification circuit, filter circuit and switch change circuit composition；The movable contact of first relay and normally opened wherein in the present embodiment
Contact is connected in the first drive circuit output end and the first LED/light source, the input connection plant factor of the first relay respectively
Control center, when plant factor Zhong Kong centers control the input of the first relay to switch on power, the movable contact of the first relay
With normally opened contact closure, now the output end of the first drive circuit is connected with the first LED/light source, and the first LED/light source is lighted.
The movable contact and normally opened contact of second relay connect the second drive circuit output end and the second LED/light source respectively,
The input connection plant factor Zhong Kong centers of second relay, when plant factor Zhong Kong centers control the input of the second relay
When end switches on power, the movable contact and normally opened contact of the second relay are closed, now the output end of the second drive circuit and second
LED/light source is connected, and the second LED/light source is lighted.
The movable contact and normally opened contact of 3rd relay connect the 3rd drive circuit output end and the 3rd LED/light source respectively,
The input connection plant factor Zhong Kong centers of 3rd relay, when plant factor Zhong Kong centers control the input of the 3rd relay
When end switches on power, the movable contact and normally opened contact of the 3rd relay are closed, now the output end and the 3rd of the 3rd drive circuit
LED/light source is connected, and the 3rd LED/light source is lighted.
LED homochromy in the first LED/light source draws the end of a thread, first after connecting and being connected in parallel in the present embodiment
Drive circuit output end is connected by the first relay with extraction the end of a thread of the first LED/light source；It is homochromy in second LED/light source
LED the end of a thread is drawn after connecting and being connected in parallel, the second drive circuit output end passes through the second relay and the 2nd LED
Extraction the end of a thread connection of light source；Homochromy LED draws the end of a thread, the 3rd after connecting and being connected in parallel in 3rd LED/light source
Drive circuit output end is connected by the 3rd relay with extraction the end of a thread of the 3rd LED/light source.For example the first LED/light source includes
50 photochromic be infrared light LED, 30 it is photochromic be feux rouges LED and 10 it is photochromic be green glow LED, then now
Every 5 photochromic LEDs for infrared light are together in series, the LED of the infrared light of 10 groups of series connection is always obtained, the present embodiment will
This 10 groups of LEDs carry out drawing the end of a thread after parallel connection again, similarly by 30 it is photochromic be feux rouges LED and 10 it is photochromic be green glow
LED connect and parallel connection after draw the end of a thread, the first drive circuit output end by the first relay and the first LED/light source this
It is a little to draw the end of a thread connection, to control the first LED/light source to switch on power.
The LED light device of simulating sun photomovement is positioned in controllable environment in the plant factor of the present embodiment, that is, locates light
According to beyond in such as gas concentration lwevel, humidity, temperature parameter controllable environment.
One photoperiod is divided into photophase and dark phase, wherein the dark phase is in off state for the light source on three lamp plates；Light
Lamp plate Chang Liang in bottom during the phase, the second LED/light source, the LED/light source of right side lamp plate 1 the 3rd of left side lamp plate 3 light in turn and it is different when
When in running order, the angle change of daylight can be imitated.Controlled in the present embodiment device in plant factor centrally through control
The working condition of first relay, the second relay and the 3rd relay controls the first LED/light source, the second LED/light source and
Break-make between three LED/light sources and power supply, so as to control lighting for the first LED/light source, the second LED/light source and the 3rd LED/light source
Or OFF state.Pass through the wheel of the 3rd LED/light source in the second LED/light source of left side lamp plate 1, right side lamp plate 3 in embodiment
Flow point is bright can to change the direction of plant illumination.The light angle change that solar motion is caused can be imitated, relative to existing
Fixed light source, can be closer to natural environment to vegetational zone, so as to improve the photomorphogenesis process of plant, make to be planted
Plant outward appearance is planted closer to the plant obtained by traditional cultivation method.
The present embodiment also discloses a kind of LED illumination control of simulating sun photomovement in plant factor based on said apparatus
Method, step is as follows：
S1, the dark phase in the simulation photoperiod：Controlled in plant factor centrally through the first relay, the second relay and
Between three the first drive circuits of Control and the first LED power, between the second drive circuit and the second LED power and
Three drive circuits are separated with the 3rd LED power, and the first LED/light source, the second LED/light source and the 3rd LED/light source are to be in
Off state；Plant factor Zhong Kong centers control the first relay, the second relay and the 3rd relay in the present embodiment
Input fail to switch on power, i.e., three relays are failure to actuate, and are off between movable contact and normally opened contact so that
So that between the first drive circuit and the first LED power, between the second drive circuit and the second LED power and the 3rd driving electricity
It is off between the LED powers of Lu Yu tri-.
S2, the photophase in the simulation photoperiod：Controlled in plant factor centrally through first the first drive circuit of Control
Connected between the first LED power so that the first LED/light source is in normal bright state, while being controlled in plant factor centrally through the
Between two relays and the 3rd the second drive circuit of Control and the second LED power and the 3rd drive circuit and the 3rd
Between LED power in turn and circulation connect so that the second LED power and the 3rd LED/light source in turn and circulation light, so as to simulate
The angle change of daylight.Plant factor Zhong Kong centers control the input of the first relay to switch on power in the present embodiment, now
First actuating of relay, movable contact is connected with normally opened contact, therefore passes through first between the first drive circuit and the first LED/light source
Relay is connected.When plant factor Zhong Kong centers will control the second LED/light source to light, then the input of the second relay is controlled
Switch on power, second actuating of relay, movable contact is connected with normally opened contact, thus the second drive circuit and the second LED/light source it
Between pass through the first relay connect, when plant factor Zhong Kong centers to control the second LED/light source extinguish when, control the second relay
Input access failure power supply, the second relay is failure to actuate, and movable contact and normally opened contact are off, therefore the second driving
Disconnect between circuit and the second LED/light source, the second LED/light source can not be switched on power by the second drive circuit, in extinguishing
State.Light and the OFF state of 3rd LED/light source be also by the working condition of plant factor Zhong Kong centers control relay Lai
Realize.
Plant factor Zhong Kong centers control to connect every time between the second drive circuit and the second LED power in above-mentioned steps S2
Time it is identical with the time connected every time between the 3rd drive circuit and the 3rd LED power, i.e., the second LED power is lighted every time
Duration it is identical with the duration that the 3rd LED power is lighted every time.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. the LED light device of simulating sun photomovement in a kind of plant factor, it is characterised in that cultivated including being placed at the top of layer
Bottom lamp plate, the left side lamp plate for being placed in cultivation layer both sides and right side lamp plate, the first drive circuit, the second drive circuit, the 3rd drive
Dynamic circuit and plant factor Zhong Kong centers；
Left side lamp plate and right side lamp plate are respectively positioned on below the lamp plate of bottom and the angle of inclination between the lamp plate of bottom is more than 90 degree；
Bottom lamp plate, left side lamp plate and right side lamp plate simultaneously correspond to be provided with the first LED/light source, the second LED/light source down respectively
With the 3rd LED/light source；
The input of first drive circuit, the second drive circuit and the 3rd drive circuit connects power supply, the first drive circuit respectively
Output end the first LED/light source is connected by the first relay, the output end of the second drive circuit connected by the second relay
Second LED/light source, the output end of the 3rd drive circuit connects the 3rd LED/light source by the 3rd relay；First relay, second
Relay and the 3rd relay connect plant factor Zhong Kong centers respectively, and their work is controlled by plant factor Zhong Kong centers
State.
2. the LED light device of simulating sun photomovement in plant factor according to claim 1, it is characterised in that described
Angle of inclination between left side lamp plate and right side lamp plate and bottom lamp plate is 120 degree~150 degree；Left side lamp plate and right side lamp plate are
Mirror.
3. the LED light device of simulating sun photomovement in plant factor according to claim 1, it is characterised in that described
First LED/light source, the second LED/light source and the 3rd LED/light source are respectively perpendicular installed in bottom lamp plate, left side lamp plate and right side lamp plate
Down on the panel of one side.
4. the LED light device of simulating sun photomovement in plant factor according to claim 1, it is characterised in that described
First LED/light source, the second LED/light source and the 3rd LED/light source are made up of the LED of multiple rectangular arrangements respectively, wherein first
LED/light source includes the photochromic LED for infrared light, feux rouges and green glow, and the second LED/light source and the 3rd LED/light source include light
Color is blueness and the LED of purple.
5. the LED light device of simulating sun photomovement in plant factor according to claim 4, it is characterised in that described
Homochromy LED draws the end of a thread after connecting and being connected in parallel in first LED/light source, and the first drive circuit output end passes through
One relay is connected with extraction the end of a thread of the first LED/light source；Homochromy LED is by series connection and simultaneously in second LED/light source
The end of a thread is drawn after connection connection, the second drive circuit output end is connected by the second relay with extraction the end of a thread of the second LED/light source；
Homochromy LED draws the end of a thread after connecting and being connected in parallel in 3rd LED/light source, and the 3rd drive circuit output end is led to
The 3rd relay is crossed to be connected with extraction the end of a thread of the 3rd LED/light source.
6. the LED light device of simulating sun photomovement in plant factor according to claim 1, it is characterised in that described
First drive circuit, the second drive circuit and the 3rd drive circuit are by rectification circuit, filter circuit and switch change circuit group
Into.
7. the LED light device of simulating sun photomovement in plant factor according to any one of claim 1 to 6, it is special
Levy and be, the movable contact and normally opened contact of the first relay connect the first drive circuit output end and the first LED/light source respectively, the
The movable contact and normally opened contact of two relays connect the second drive circuit output end and the second LED/light source, the 3rd relay respectively
Movable contact and normally opened contact connect the 3rd drive circuit output end and the 3rd LED/light source, the first relay, the second relay respectively
The input of device and the 3rd relay connects plant factor Zhong Kong centers respectively, and the first relay is controlled by plant factor Zhong Kong centers
The "on" position of the input of device, the second relay and the 3rd relay.
8. the LED illumination control method of simulating sun photomovement in a kind of plant factor realized based on claim 1 described device,
Characterized in that, step is as follows：
S1, the dark phase in the simulation photoperiod：Controlled in plant factor centrally through the first relay, the second relay and the 3rd after
Between the drive circuit of electrical equipment control first and the first LED power, between the second drive circuit and the second LED power and the 3rd drives
Dynamic circuit is separated with the 3rd LED power, and the first LED/light source, the second LED/light source and the 3rd LED/light source are to be off
State；
S2, the photophase in the simulation photoperiod：Controlled in plant factor centrally through first the first drive circuit of Control and
Connected between one LED power so that the first LED/light source is in normal bright state, at the same controlled in plant factor centrally through second after
Between electrical equipment and the 3rd the second drive circuit of Control and the second LED power and the 3rd drive circuit and the 3rd LED electricity
Between source in turn and circulation connect so that the second LED power and the 3rd LED/light source in turn and circulation light, so as to simulate daylight
Angle change.
9. the LED illumination control method of simulating sun photomovement in plant factor according to claim 8, it is characterised in that
In the step S2 plant factor Zhong Kong centers control control the second drive circuit and the second LED power between connect every time when
Between time for being connected every time between the 3rd drive circuit and the 3rd LED power it is identical, i.e., what the second LED power was lighted every time holds
The continuous time is identical with the duration that the 3rd LED power is lighted every time.
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