CN219087346U

CN219087346U - LED concentrated power supply light supplementing system and plant lighting system

Info

Publication number: CN219087346U
Application number: CN202223105981.5U
Authority: CN
Inventors: 祝伟伟; 肖铁琦; 董姚; 李伟
Original assignee: Lumlux Corp
Current assignee: Lumlux Corp
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-05-26
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to an LED centralized power supply light supplementing system and a plant lighting system, comprising a centralized power supply module, wherein an external alternating current power supply interface is arranged and is connected with three-phase alternating current, the centralized power supply module comprises a power supply output end, a dimming controller, an input end is externally connected with an alternating current voltage interface, a plurality of voltage gears are arranged for adjusting output voltage, and an output end anode and an output end cathode are arranged; the LED lamp bank, the positive electrode of LED lamp bank is connected the output positive pole, and the output negative pole is connected to the LED lamp bank negative pole, and the LED lamp bank includes a plurality of LED lamps and lanterns, connects in series between the LED lamps and lanterns, and voltage feedback module sets up a plurality of voltage detector, feeds back the operating voltage of every LED lamps and lanterns in real time. The centralized power supply module is adopted for centralized control and power supply, so that the cost is effectively reduced, the driving power supply is not contained in the lamp, the heat of the lamp is greatly reduced, the service life of the lamp is prolonged, and the light attenuation caused by high temperature is reduced.

Description

LED concentrated power supply light supplementing system and plant lighting system

Technical Field

The utility model relates to the technical field of plant growth equipment, in particular to an LED concentrated power supply and light supplementing system and a plant illumination system.

Background

With the development of technology, vegetables are planted in a greenhouse, plants are more and more mature to regulate, food is grown without photosynthesis, and light with different colors has different effects on the growth of the plants, so that the technology is adopted to supplement light to the plants, such as fluorescent lamps, LEDs and other technologies, in recent years.

The LED plant lamp is widely applied in plant factories, and at present, the LED plant lamp is powered by alternating current, a cable is paved on a bridge to supply power, and the construction amount is large; a plurality of common lamps are connected in parallel for use, the total current is large, and a large-wire-diameter distribution cable is needed; the common lamp comprises a driving power supply, so that the heat quantity of the lamp is high, the heat dissipation cost is high, the temperature in a factory is not controlled, and the light attenuation can be caused by the overhigh temperature, so that the plant growth is influenced.

Disclosure of Invention

Therefore, the utility model aims to solve the technical problems that in the prior art, each group of LED plant lamps need to be independently powered, the cost is high, the light supplementing effect is influenced by the high temperature of the lamps, and the like.

In order to solve the technical problems, the utility model provides an LED centralized power supply and light supplementing system, which comprises: the centralized power supply module is provided with an external alternating current power supply interface, the external alternating current power supply interface is connected with three-phase alternating current, and the centralized power supply module comprises:

the input end of the dimming controller is connected with the external alternating current power supply interface, a plurality of voltage gears are arranged, and different output voltages are arranged in different voltage gears;

the light modulation controller also comprises an output end positive electrode and an output end negative electrode;

the positive electrode of the LED lamp set is connected with the positive electrode of the output end, the negative electrode of the LED lamp set is connected with the negative electrode of the output end, the LED lamp set comprises a plurality of LED lamps, and the LED lamps are connected in series;

the voltage feedback module comprises a plurality of voltage detectors, each voltage detector is correspondingly arranged on one LED lamp, and the voltage detector further comprises a feedback end which is connected with the centralized power supply module and used for feeding back the detected working voltage of the LED lamp to the centralized power supply module.

In one embodiment of the present utility model, the centralized power supply module further includes: and the input end of the AC-DC driving unit is connected with the external power interface, and the output end of the AC-DC driving unit is connected with the input end of the dimming controller.

In one embodiment of the present utility model, the centralized power supply module further includes a display unit for displaying the voltage information fed back by the voltage feedback module.

In one embodiment of the present utility model, each of the LED lamps includes a plurality of LED beads that emit different colors of light.

In one embodiment of the present utility model, the plurality of LED lamp beads includes: red light LED beads, white light LED beads, blue light LED beads, infrared light LED beads.

In one embodiment of the present utility model, the LED lamp beads are connected in series and parallel, so that the resistance of each LED lamp is approximately the same, and the operating voltage and the operating current carried on each LED lamp are approximately the same when in operation.

In one embodiment of the utility model, each LED lamp further comprises a reflector, the reflector is arranged in the LED lamp housing, the reflector is provided with a plurality of holes, and the LED lamp beads are placed.

In one embodiment of the utility model, the plurality of LED lamp beads in each LED lamp are fixed by an aluminum substrate.

In one embodiment of the present utility model, the voltage feedback module feeds back the operating voltage detected by each voltage detector to the centralized power supply module through a CAN bus.

The utility model also provides a plant lighting system, and the LED concentrated power supply light supplementing system adopting any one of the above.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the LED centralized power supply and light supplementing system, the lamps and the lamps are connected in series, a distribution cable is not required to be paved for each lamp independently, the manufacturing cost is reduced, the lamps can emit light only by uniformly supplying power to the centralized power supply module, the dimming controller is adopted for adjusting, the LED centralized power supply and light supplementing system is suitable for LED lamps with different groups, and the LED lamps with any group number can emit light normally; the inside of each lamp does not contain a driving power supply, the heat of the lamp can be greatly reduced, the service life of the lamp is prolonged, the light attenuation caused by high temperature is reduced, and the heat emitted by the whole system is reduced; and the working state of each LED lamp is monitored in real time through the voltage feedback module, the system is suitable for various application scenes, the cost is reduced, and the centralized control is realized.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which

FIG. 1 is a structural frame diagram of an LED concentrated power supply light supplementing system according to an embodiment of the utility model;

FIG. 2 is a block diagram of a dimmer controller according to an embodiment of the present utility model;

FIG. 3 is a connection block diagram of the interior of a luminaire according to an embodiment of the present utility model;

reference numerals:

the LED display device comprises a 1 centralized power supply module, an 11AC-DC driving unit, a 12 dimming controller, a 121 gear disc, a 122 gear pointer, a 123 knob, a 13 output end anode, a 14 output end cathode, a 15 display unit, a 2LED lamp group, a 21 first LED lamp, a 211 first red LED lamp bead, a 212 second red LED lamp bead, a 213 first white LED lamp bead, a 214 first blue LED lamp bead, a 22 second LED lamp bead, a 221 second white LED lamp bead, a 222 second blue lamp bead, a 223 infrared LED lamp bead, a 3 voltage feedback module, a 31 first voltage detector and a 32 second voltage detector.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Example 1:

referring to fig. 1, the centralized power supply and light supplementing system for the LED comprises a centralized control module 1, and is provided with an external power interface which is connected with three-phase alternating current to supply power to the whole centralized power supply and light supplementing system for the LED.

The LED lamps form an LED lamp group 2 which is connected in series between the positive electrode and the negative electrode of the centralized power supply control module 1 to form a loop, so that centralized power supply control is carried out on each LED lamp, and the cost and the preparation difficulty are reduced.

The centralized power supply module comprises:

an AC-DC driving unit 11; and the input end of the AC-DC driving unit 11 is connected with the external power interface.

And the input end of the dimming controller 12 is connected with the external alternating current power supply interface, and a plurality of voltage gears are arranged so as to adjust the output voltage of the 1-concentration power supply module.

The dimming controller 12 sets a plurality of output voltage gears according to different types of the centralized power supply module, as shown in fig. 2, and adopts a 123 knob to control, wherein each gear corresponds to the driving voltage of a group of LED lamps, and the centralized power supply module 2 can drive a plurality of LED lamps, so that the gear can be set; the drive voltage of the centralized power supply module is different, the set output voltage gears are also different, each gear can increase or decrease the voltage current of one LED lamp, and each LED lamp can normally emit light.

The dimmer control 12 further comprises an output positive electrode 13 and an output negative electrode 14.

The input end of the dimming controller 12 is connected with the output end of the AC-DC driving unit 11, and the dimming controller 12 is used for setting corresponding gears to control the plurality of LED lamps to emit light.

The display unit 15 adopts a liquid crystal display to convert the voltage information fed back by each voltage detector in the voltage feedback module 3 into an electric signal, and displays the electric signal in the liquid crystal display, and the number of the voltage feedback module 3 corresponds to one LED lamp, so that the working voltage of each LED lamp is monitored in real time, and the output voltage is adjusted or the LED lamp is replaced in time.

The voltage feedback module 3 comprises a plurality of voltage detectors, each voltage detector is correspondingly arranged on one LED lamp, and the voltage detector also comprises a feedback end, wherein the feedback end is connected with the centralized power supply module and is used for feeding back the detected working voltage of the LED lamp to the centralized power supply module.

And the power switch is arranged between the AC-DC driving unit and the dimming controller and is used for controlling the power supply of the whole circuit.

In this embodiment, the AC-DC driving unit in the centralized power supply module converts three-phase AC into stable and controllable DC, selects a suitable gear in the dimming controller according to the number of LED lamps, outputs DC voltage through the positive electrode of the power supply output end, turns on a plurality of LED lamps to ensure normal light emission, monitors the working voltage of each LED lamp in real time through the voltage feedback module, and judges whether there is a fault or unstable voltage, so as to facilitate timely replacement and maintenance. According to the utility model, a system for intensively supplying power and intensively controlling light emission is adopted, so that the preparation cost is reduced, the influence of light emission and heat emission of a driving power supply on the illumination of the LED lamp is solved, the service life of the lamp is prolonged, the light attenuation caused by high temperature is reduced, and the heat emitted by the whole system is reduced.

Example 2:

referring to fig. 3, fig. 3 discloses a simple connection relationship between any two of the plurality of LED lamps, which is set as a first LED lamp 21 and a second LED lamp 22, wherein the LED lamps include red LED lamp beads, white LED lamp beads, blue LED lamp beads, infrared LED lamp beads, and the like, and the colors of the LED lamp beads are changed according to actual application scenes, so that the resistance of each LED lamp bead is approximately the same, and the working voltage and the working current carried by each LED lamp bead are approximately the same.

In the first LED lamp 21, the first red LED lamp beads 211 and the second red LED lamp beads 212 are connected in series, and a plurality of LED lamp beads with other colors can be connected in series in the middle; then, the circuit connected with the first white LED lamp bead 213 and the first blue LED lamp bead 214 in series is connected in parallel; the first LED lamp ensures that the divided voltage of each lamp bead is the same.

In the second LED lamp 22, the second white LED lamp bead 221, the second blue LED lamp bead 222 and the infrared LED lamp bead are connected in series, so that the resistances of the first LED lamp and the second LED lamp are substantially the same, and the operating voltage and the operating current carried by each LED lamp are substantially the same when in operation.

The first LED lamp and the second LED lamp have the same specification, and the specifications of resistance, on-voltage, on-current and the like are consistent, so that when the centralized power supply module supplies power, the voltages of all groups of LED lamps are the same, and the LED lamp beads normally emit light.

In an actual product, the LED lamp is directly connected with the LED lamp by adopting an opposite plug, the positive electrode and the negative electrode are marked, and the positive electrode and the negative electrode at the output end of the centralized power supply module are marked by using two output ends of red and black, so that the distinction is convenient.

The LED lamp is provided with the aluminum substrate, the lamp beads in the LED lamp are fixed, the reflecting cover is arranged inside the LED lamp substrate, a plurality of small holes are reserved in the reflecting cover, the LED lamp beads are placed, light emitted by the LED is reflected, the pearlescent utilization rate of the LED lamp is improved, and the intensity of the light is improved.

The color of LED lamp pearl includes: red light LED beads, white light LED beads, blue light LED beads, infrared light LED beads; the colors of the LED lamp beads, the number of the LED lamp beads and the arrangement mode of the LED lamp beads are formulated according to the illumination intensity required by plants, the LED lamp beads of the LED lamp are not only connected in series but also connected in parallel, and the driving voltage of the LED lamp is the same no matter how the LED lamp beads are arranged and combined in the LED lamp. Ensure that the light can normally emit when the power is intensively supplied.

According to the utility model, alternating current is input into the centralized power supply module, the centralized power supply module converts the alternating current into direct current, the required output voltage is regulated by the dimming controller, stable direct current is improved for subsequent lamps, the driving voltage and the driving current of each LED lamp are the same, each LED lamp can emit light stably for illumination, a special power distribution cable is not required to be laid for each lamp, an opposite plug is adopted between the lamps, the operation is simple, and the construction cost is saved.

When the LED lamp needs to be increased or decreased (in the output voltage adjustable range of the centralized power supply module); when a group of LED lamps is added, the power supply of the centralized power supply module is turned off, the group of LED lamps which are needed to be added are connected in series at the needed position in the lamp group, the next gear (voltage increasing gear) of the dimming controller in the centralized power supply module is regulated, the power supply of the centralized power supply module is turned on, and all the LED lamps normally emit light.

Reducing a group of LED lamps; and closing the power supply of the centralized power supply module, moving a group of LED lamps which need to be reduced out of the position of the lamp group, connecting the disconnected position by adopting a butt joint, adjusting the last gear (voltage reduction gear) of the dimming controller in the centralized power supply module, and turning on the power supply of the centralized power supply module, wherein all the LED lamps normally emit light. In the output voltage adjustable range of the centralized power supply module, the adjustment method can be referred to when a plurality of LED lamps are added or reduced.

In the utility model, the centralized power supply module is adopted to convert alternating current into direct current, the centralized power supply is realized by adopting direct current, the dimming controller is adopted to adjust output voltage, stable driving voltage is ensured to be divided among the LED lamps connected in series, the LED lamps can be increased or reduced within the adjustable range of the centralized power supply module, and the normal driving and light emitting of each LED lamp are ensured by adjusting the gear of the dimming controller. The LED lamp is powered in a centralized manner, a distribution cable does not need to be paved for each LED lamp, the cost is saved, a driving power supply is not contained in the lamp, the heat of the lamp is greatly reduced, the cost is further reduced, the service life of the lamp is prolonged, and the light attenuation caused by high temperature is facilitated, so that the LED lamp is more convenient and faster.

The LED centralized power supply light supplementing system provided by the utility model is applied to a plant lighting system.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. The utility model provides a LED concentrated power supply light filling system which characterized in that includes:

the centralized power supply module is provided with an external alternating current power supply interface, the external alternating current power supply interface is connected with three-phase alternating current, and the centralized power supply module comprises:

2. The LED concentrated power supply light system of claim 1, wherein the concentrated power module further comprises: and the input end of the AC-DC driving unit is connected with an external power supply, and the output end of the AC-DC driving unit is connected with the input end of the dimming controller.

3. The LED concentrated power supply light system of claim 1, wherein the concentrated power supply module further comprises a display unit for displaying the voltage information fed back in the voltage feedback module.

4. The LED concentrated power supply light system of claim 1, wherein each LED light fixture comprises a plurality of LED light beads that emit different colors of light.

5. The LED concentrated power supply light system of claim 4, wherein the plurality of LED light beads comprises: red light LED beads, white light LED beads, blue light LED beads, infrared light LED beads.

6. The LED concentrated power supply and light supplementing system according to claim 4, wherein the LED lamp beads are connected in series and in parallel, so that the resistance of each LED lamp is approximately the same, and the operating voltage and the operating current carried on each LED lamp are approximately the same when the LED concentrated power supply and light supplementing system is operated.

7. The LED concentrated power supply and light supplementing system according to claim 4, wherein each LED light fixture further comprises a reflector disposed in the LED light fixture housing, wherein the reflector has a plurality of holes for placement of the LED light beads.

8. The LED concentrated power supply light supplementing system according to claim 4, wherein the plurality of LED beads in each LED lamp are fixed by an aluminum substrate.

9. The LED concentrated power supply light system of claim 1, wherein the voltage feedback module feeds back the operating voltage detected by each voltage detector to the concentrated power supply module via a CAN bus.

10. A plant lighting system employing the LED concentrated power supply light supplementing system according to any one of claims 1 to 9.