CN218301688U

CN218301688U - Landscape brightening lamp driving system and landscape brightening lamp

Info

Publication number: CN218301688U
Application number: CN202222251146.6U
Authority: CN
Inventors: 张家瑞
Original assignee: Strongled Lighting Systems Suzhou Co ltd
Current assignee: Grand Canyon Lighting System Suzhou Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-13
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a view brightening lamps and lanterns actuating system and view brightening lamps and lanterns. The landscape-brightening lamp driving system includes: the LED lamp comprises a power supply module, a voltage reduction module and a plurality of LED lamp strings; each LED lamp string comprises a plurality of LED lamp beads which are sequentially connected in series; the input end of the voltage reduction module is electrically connected with the power supply module, and the power supply module provides input voltage for the voltage reduction module; the voltage reduction module comprises a plurality of output ends, the output ends are electrically connected with the at least one LED lamp string, the voltage reduction module reduces the voltage of the input voltage and then provides working voltage for the plurality of LED lamp strings, and the working voltage output by the at least two output ends is unequal. The utility model discloses in, the step-down module can provide the operating voltage who accords with LED lamp cluster self operating condition to each LED lamp cluster, need not to set up the partial pressure device in the LED lamp cluster, and the electric energy almost can all turn into the light energy of LED lamp pearl, and view brightening lamps and lanterns can reach and prior art in same light efficiency, also can reduce energy loss, have promoted the energy-conserving effect of lamps and lanterns.

Description

Landscape brightening lamp driving system and landscape brightening lamp

Technical Field

The embodiment of the utility model provides a relate to view lamps and lanterns technical field, especially relate to a view brightening lamps and lanterns actuating system and view brightening lamps and lanterns.

Background

In the field of landscape lamp illumination, the LED as a novel green light source product has the characteristics of energy conservation, environmental protection, long service life, small size and the like, and is a trend of future development. Landscape lamps generally consist of lamp beads with different colors, and in order to ensure the brightness consistency of the illumination light emitted by the landscape lamps, the input voltage of the lamps can be improved; can establish ties divider resistance in the lamp pearl return circuit simultaneously, generate heat by divider resistance and consume unnecessary electric energy conversion to heat energy. However, the arrangement mode of the landscape lamp goes against the original purpose of energy conservation and emission reduction, and energy is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a view brightening lamps and lanterns actuating system and view brightening lamps and lanterns to reduce the energy consumption of view brightening lamps and lanterns, promote the energy-conserving effect of view brightening lamps and lanterns.

In a first aspect, an embodiment of the present invention provides a landscape lighting lamp driving system, including: the LED lamp comprises a power supply module, a voltage reduction module and a plurality of LED lamp strings; each LED lamp string comprises a plurality of LED lamp beads which are sequentially connected in series, and the starting working voltages of at least two LED lamp strings are different;

the input end of the voltage reduction module is electrically connected with the power supply module, and the power supply module provides input voltage for the voltage reduction module;

the voltage reduction module comprises a plurality of output ends, the output ends are electrically connected with at least one LED lamp string, the voltage reduction module is used for providing working voltage for the LED lamp strings after reducing the voltage of the input voltage, and the working voltage output by the output ends is unequal.

In a second aspect, an embodiment of the present invention further provides a landscape lighting lamp, including the first aspect of the present invention.

The embodiment of the utility model provides an in, view brightening lamps and lanterns actuating system includes: the LED lamp comprises a power supply module, a voltage reduction module and a plurality of LED lamp strings; each LED lamp string comprises a plurality of LED lamp beads which are sequentially connected in series, and the starting working voltages of at least two LED lamp strings are different; the input end of the voltage reduction module is electrically connected with the power supply module, and the power supply module provides input voltage for the voltage reduction module; the voltage reduction module comprises a plurality of output ends, the output ends are electrically connected with the at least one LED lamp string, the voltage reduction module reduces the voltage of the input voltage and then provides working voltage for the plurality of LED lamp strings, and the working voltage output by the at least two output ends is unequal. Through the mode, the voltage reduction module can provide working voltage meeting working conditions of the LED lamp strings for the LED lamp strings, at the moment, a voltage division resistor or other voltage division devices do not need to be arranged in the LED lamp strings, electric energy can be almost completely converted into light energy of LED lamp beads in the LED lamp strings, the landscape brightening lamp can achieve the same light effect as that in the prior art, energy loss can be reduced, the energy-saving effect of the landscape brightening lamp is improved, and the driving efficiency is improved. In addition, the voltage reduction module is arranged to provide different working voltage values for at least two of the LED lamp strings, so that the voltage value received by each LED lamp string is matched with the voltage value required by the normal work of each LED lamp string, the electric energy provided by the voltage reduction module is further ensured to be completely converted into the light energy of the LED lamp strings, and the energy-saving effect of the landscape brightening lamp is further improved.

Drawings

Fig. 1 is a schematic circuit diagram of a landscape lamp in the prior art;

fig. 2 is a schematic structural view of a landscape brightening lamp driving system according to an embodiment of the present invention;

fig. 3 is a schematic structural view of another landscape brightening lamp driving system according to an embodiment of the present invention;

fig. 4 is a schematic structural view of another driving system of a landscape lighting lamp according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Fig. 1 is a schematic circuit diagram of a landscape lamp in the prior art, as shown in fig. 1, in the prior art, a power supply module (not shown in the figure) generally supplies power to each string of lights directly, and since the voltage provided by the power supply module is large, a voltage dividing resistor R is connected in series in each string of lights 3', and the voltage dividing resistor R consumes the redundant voltage. For example, when a 24V power supply module is used to supply power to a landscape lamp including three light strings, each light string is connected with 6 light beads in series, if the maximum working voltage of one light bead 4 'in the light string 3' is 3V, the consumption voltage of one light string 3 'is 18V, and the working voltages required by other control elements in the circuit are reserved, for example, 3V, the voltage of 3V in each light string 3' needs to be consumed by a voltage dividing resistor R, thereby increasing useless work and causing energy waste.

In view of this, the inventor proposes the technical scheme in this application, specifically, the utility model provides a view brightening lamps and lanterns actuating system includes: the LED lamp comprises a power supply module, a voltage reduction module and a plurality of LED lamp strings; each LED lamp string comprises a plurality of LED lamp beads which are sequentially connected in series, and the starting working voltages of at least two LED lamp strings are different;

the voltage reduction module comprises a plurality of output ends, the output ends are electrically connected with the at least one LED lamp string, the voltage reduction module reduces the voltage of the input voltage and then provides working voltage for the plurality of LED lamp strings, and the working voltage output by the at least two output ends is unequal.

Through the technical scheme, the voltage reduction module can provide working voltage which accords with working conditions of the LED lamp strings for the LED lamp strings, at the moment, a voltage division resistor or other voltage division devices are not required to be arranged in the LED lamp strings, electric energy can be almost completely converted into light energy of the LED lamp beads in the LED lamp strings, the landscape brightening lamp can achieve the same light effect as that in the prior art, energy loss can be reduced, the energy-saving effect of the landscape brightening lamp is improved, and the driving efficiency is improved. In addition, the voltage reduction module is arranged to provide different working voltage values for at least two of the LED lamp strings, so that the voltage value received by each LED lamp string is matched with the voltage value required by the normal work of each LED lamp string, the electric energy provided by the voltage reduction module is further ensured to be completely converted into the light energy of the LED lamp strings, and the energy-saving effect of the landscape brightening lamp is further improved.

Above is the core thought of the utility model, will combine the attached drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model clearly, describe completely. Based on the embodiments in the present invention, under the premise that creative work is not done by ordinary skilled in the art, all other embodiments obtained all belong to the protection scope of the present invention.

Fig. 2 is the embodiment of the present invention provides a structural schematic diagram of a landscape lighting lamp driving system, and fig. 3 is the embodiment of the present invention provides another structural schematic diagram of a landscape lighting lamp driving system. With reference to fig. 2 and 3, in an embodiment of the present invention, the landscape lighting lamp driving system includes: the LED lamp string comprises a power supply module 1, a voltage reduction module 2 and a plurality of LED lamp strings 3; each LED lamp string 3 comprises a plurality of LED lamp beads 4 which are sequentially connected in series, and the starting working voltages of at least two LED lamp strings 3 are different; the input end of the voltage reduction module 2 is electrically connected with the power supply module 1, and the power supply module 1 provides input voltage for the voltage reduction module 2; the voltage reduction module 2 comprises a plurality of output ends, the output ends are electrically connected with the at least one LED lamp string 3, the voltage reduction module 2 reduces the voltage of the input voltage and then provides working voltage for the plurality of LED lamp strings 3, and the working voltage output by the at least two output ends is unequal.

Specifically, as shown in fig. 2 and 3, the landscape brightening lamp driving system includes a power supply module 1, a voltage reduction module 2, and a plurality of LED lamp strings 3, where each LED lamp string 3 includes a plurality of LED lamp beads 4 connected in series.

Wherein, it can be understood that, due to the factors such as different light emitting colors of the LED lamp beads 4 or different types of the LED lamp beads 4, the working voltages required for normal operation of the different LED lamp beads 4 may be different, that is, the starting working voltages of the different LED lamp beads 4 may be different. In this embodiment, the turn-on operating voltages of at least two LED strings 3 in the plurality of LED strings 3 are different.

The power module 1 is connected to the input terminal of the voltage-reducing module 2 to provide an input voltage to the voltage-reducing module 2. According to the above, the input voltage provided by the power module 1 is generally large, and if the power module 1 is directly used to supply power to the LED light strings 3, the energy loss is large, and the energy saving effect is poor. Therefore, in the embodiment of the utility model provides an in, power module 1 is connected to voltage reduction module 2's input, and the input voltage that power module 1 provided can be earlier through voltage reduction module 2, and voltage reduction module 2 steps down the back to each LED lamp cluster 3 power supplies to LED lamp pearl 4 among the drive LED lamp cluster 3 is luminous. The voltage reducing module 2 can be electrically connected with the anode of each LED string 3.

Furthermore, a plurality of output ends are arranged in the voltage reduction module 2, each output end is electrically connected with at least one LED lamp string 3, the input voltage provided by the power supply module 1 can enter the voltage reduction module 2, and the voltage reduction module 2 reduces the voltage input by the power supply module 1 and then supplies power to the LED lamp strings 3 through the output ends. That is, the LED strings 3 are connected in parallel and connected in series with the buck module 2.

In the arrangement mode, the voltage reduction module 2 can provide working voltage which meets working conditions of the LED lamp strings 3 to the LED lamp strings 3, at the moment, a voltage division resistor or other voltage division devices are not required to be arranged in the LED lamp strings 3, electric energy can be almost completely converted into light energy of the LED lamp beads 4 in the LED lamp strings 3, the landscape brightening lamp can achieve the same light effect as that in the prior art, energy loss can be reduced, the energy-saving effect of the landscape brightening lamp is improved, and driving efficiency is improved.

In addition, because the operating voltage that opens of at least two LED lamp cluster 3 is unequal, the embodiment of the utility model provides an, the operating voltage who sets up two at least output outputs of voltage reduction module 2 varies, that is, operating voltage numerical value that voltage reduction module 2 provided to two at least in each LED lamp cluster 3 is inequality, in other words, the operating voltage that opens of LED lamp cluster 3 is different, operating voltage that voltage reduction module 2 provided to LED lamp cluster 3 is also different, so that the required voltage value of every LED lamp cluster 3 received matches with the voltage value of normal work separately, further guarantee that the electric energy that voltage reduction module 2 provided all turns into LED lamp cluster 3's light energy, further promote the energy-conserving effect of view brightening lamps and lanterns.

Optionally, to the quantity of the LED lamp cluster of establishing ties with the step-down module in the view brightening lamps and lanterns actuating system, the embodiment of the utility model provides a do not do the restriction, technical personnel in the field can set up according to actual conditions. For example, it may include 3 or 4 LED strings connected in parallel, but not limited thereto.

In addition, to the specific setting mode of step-down module, the embodiment of the present invention also does not limit, and those skilled in the art can set up according to actual requirements, for example, a Buck conversion circuit, i.e., a Buck circuit, can be set up, but is not limited thereto.

For example, and still referring to fig. 3, in one possible embodiment, the plurality of LED strings 3 may comprise: a first LED lamp string 31, a second LED lamp string 32 and a third LED lamp string 33, wherein the starting working voltage of the first LED lamp string 31 is a first working voltage, the starting working voltage of the second LED lamp string 32 is a second working voltage, the starting working voltage of the third LED lamp string 33 is a third working voltage, wherein at least two of the first working voltage, the second working voltage and the third working voltage have different sizes,

the voltage-reducing module 2 includes a first voltage-reducing circuit 21, a second voltage-reducing circuit 22, and a third voltage-reducing circuit 23; the output end of the first voltage reduction circuit 21 is connected in series with the first LED lamp string 31, and the first voltage reduction circuit 21 reduces the input voltage and then provides a first working voltage to the first LED lamp string 31; the output end of the second voltage-reducing circuit 22 is connected in series with the second LED lamp string 32, and the second voltage-reducing circuit 22 reduces the input voltage and then provides a second working voltage to the second LED lamp string 32; the output end of the third voltage-reducing circuit 23 is connected in series with the third LED string 33, and the third voltage-reducing circuit 23 reduces the input voltage and then supplies a third operating voltage to the third LED string 33.

Specifically, in the present embodiment, 3 LED strings 3 connected in parallel may be provided. A first LED lamp string 31, a second LED lamp string 32, and a third LED lamp string 33, respectively; the starting working voltage required by the normal operation of the first LED lamp string 31 is the first working voltage, the starting working voltage required by the normal operation of the second LED lamp string 32 is the second working voltage, and the starting working voltage required by the normal operation of the third LED lamp string 33 is the third working voltage.

Correspondingly, at this time, three voltage-reducing circuits, namely, a first voltage-reducing circuit 21, a second voltage-reducing circuit 22 and a third voltage-reducing circuit 23, may be correspondingly disposed in the voltage-reducing module 2, and different voltage-reducing circuits are respectively used to control the working voltages input into different LED strings 3.

The output end of the first voltage-reducing circuit 21 is electrically connected to the first LED lamp string 31, that is, the first voltage-reducing circuit 21 is connected in series with the first LED lamp string 31, and the first voltage-reducing circuit 21 is configured to reduce the input voltage and then provide a first working voltage to the first LED lamp string 31, that is, the first voltage-reducing circuit 21 reduces the input voltage to the first working voltage and then inputs the first working voltage to the first LED lamp string 31; the output end of the second voltage-reducing circuit 22 is electrically connected to the second LED lamp string 32, that is, the second voltage-reducing circuit 22 is connected in series to the second LED lamp string 32, and the second voltage-reducing circuit 22 is configured to provide a second working voltage to the second LED lamp string 32 after reducing the input voltage, that is, the second voltage-reducing circuit 22 reduces the input voltage to the second working voltage and inputs the second working voltage to the second LED lamp string 32; similarly, the output end of the third voltage-reducing circuit 23 is electrically connected to the third LED lamp string 33, that is, the third voltage-reducing circuit 23 is connected in series with the third LED lamp string 33, and the third voltage-reducing circuit 23 is configured to provide a third working voltage to the third LED lamp string 33 after reducing the input voltage, that is, the third voltage-reducing circuit 23 reduces the input voltage to the third working voltage and then inputs the third working voltage to the third LED lamp string 33.

The first LED light string 31, the second LED light string 32 and the third LED light string 33 have different corresponding light emitting colors, so that at least two of the first working voltage, the second working voltage and the third working voltage are not equal to each other.

To first operating voltage, second operating voltage, third operating voltage's specific numerical value, the embodiment of the utility model provides a do not do the restriction, technical personnel in the field can adjust according to the setting mode of first LED lamp cluster, second LED lamp cluster and third LED lamp cluster in the practical application.

Optionally, in a possible embodiment, the first LED lamp string 31 is a red LED lamp string, the second LED lamp string 32 is a green LED lamp string, and the third LED lamp string 33 is a blue LED lamp string; the first operating voltage is less than the second operating voltage or the third operating voltage.

Specifically, in this embodiment, the first LED string 31 may be set as a red LED string, the second LED string 32 may be set as a green LED string, and the third LED string 33 may be set as a blue LED string. It can be understood that the voltage required by the red LED lamp bead is lower, that is, the working voltage required by the red LED lamp string is lower, and the voltages required by the green LED lamp string and the blue LED lamp string are higher, that is, the working voltages required by the green LED lamp string and the blue LED lamp string are higher, therefore, in this embodiment, the first working voltage obtained by the first voltage-reducing circuit 21 may be set to be lower than the second working voltage and the third working voltage obtained by the second voltage-reducing circuit 22 and the third voltage-reducing circuit 23.

Optionally, in a possible embodiment, the second voltage-reducing circuit 22 is multiplexed into the third voltage-reducing circuit 23; the second operating voltage is equal to the third operating voltage.

Specifically, since the voltages required for the green LED and the blue green LED to operate are similar, in this embodiment, the second voltage-reducing circuit 22 may be multiplexed into the third voltage-reducing circuit 23, that is, the same voltage-reducing circuit provides the operating voltages to the green LED lamp string 3 and the blue LED lamp string 3, so as to simplify the setting manner of the landscape lighting lamp driving system and reduce the setting cost. At this time, the second operating voltage should be equal to the third operating voltage.

Optionally, in a possible embodiment, the working voltage range of a single red LED lamp bead in the red LED lamp string is 2-2.2V; the working voltage ranges of the single green light LED lamp bead in the green light LED lamp string and the single blue light LED lamp bead in the blue light LED lamp string are both 2.8-3V.

Specifically, in this embodiment, the operating voltage range of a single red LED lamp bead may be set to be 2-2.2V, that is, the operating voltage of each red LED lamp bead in the red LED lamp string is 2-2.2V; the working voltage ranges of the single green light LED lamp bead and the single blue light LED lamp bead are both 2.8-3V, namely the working voltage ranges of each green light LED lamp bead in the green light LED lamp string and each blue light LED lamp bead in the blue light LED lamp string are both 2.8-3V. And then can set up first operating voltage, second operating voltage and third operating voltage's size according to the operating voltage scope of LED lamp pearl.

Further optionally, the first working voltage may be the sum of the maximum working voltages of all red LED lamp beads in the red LED lamp string; the second working voltage can be the sum of the maximum working voltages of all green light LED lamp beads in the green light LED lamp string or the sum of the maximum working voltages of all blue light LED lamp beads in the blue light LED lamp string.

Specifically, in order to ensure that each LED lamp bead in the LED lamp string emits light normally, the first working voltage stepped down by the first step-down circuit may be the sum of the maximum working voltages of all red LED lamp beads in the red LED lamp string. For example, when the red LED light string includes 6 red LED light beads connected in series, the first operating voltage may be 13.2V. Similarly, the second working voltage after being stepped down by the second step-down circuit may be the sum of the maximum working voltages of all green LED lamp beads in the green LED lamp string, or the sum of the maximum working voltages of all blue LED lamp beads in the blue LED lamp string. For example, when the green LED light string includes 6 green LED light beads connected in series, the second operating voltage may be 18V, and the third operating voltage is equal to the second operating voltage and may also be set to 18V.

Optionally, fig. 4 is a schematic structural diagram of another landscape brightening lamp driving system provided in an embodiment of the present invention, referring to fig. 4, in a possible embodiment, the landscape brightening lamp driving system may further include a current control chip 5; two ends of the current control chip 5 are respectively electrically connected with the LED lamp string 3 and the power supply module 1 to form a loop.

Specifically, a current control chip 5 can be arranged in the landscape brightening lamp driving system; the current control chip 5 is electrically connected with the plurality of LED lamp strings 3 and the power supply module 1 respectively. The first end of the current control chip 5 may be electrically connected to the negative electrodes of the LED light strings 3, the second end of the current control chip 5 may be electrically connected to the negative electrode of the power module 1 to form a loop, and the current control chip 5 may adjust the working currents of the LED light strings 3 to adjust the brightness of the light emitted by the LED light strings 3.

Alternatively, referring still to fig. 4, the voltage step-down module 2 may also be electrically connected to the current control chip 5, and the voltage step-down module 2 supplies power to the current control chip 5.

Specifically, in this embodiment, the output end of the voltage-reducing module 2 may be further electrically connected to the current control chip 5, and the voltage-reducing module 2 simultaneously supplies power to the current control chip 5 and each LED string 3.

Further optionally, at this time, the step-down module 2 may be configured to provide the operating voltage to the LED light string 3 as the sum of the operating voltage of the LED light string 3 and the operating voltage of the current control chip 5.

Specifically, when the voltage-reducing module 2 supplies power to the LED light strings 3 and the current control chip 5 at the same time, the operating voltage provided by the voltage-reducing module 2 to each LED light string 3 may be set to be the sum of the voltage required by the normal operation of each LED light string 3 and the voltage required by the operation of the current control chip 5.

For example, if the LED lamp string 3 includes a red LED lamp string, a green LED lamp string and a blue LED lamp string, the working voltage provided by the voltage-reducing module 2 to the red LED lamp string is the sum of the total working voltage of all red LED lamp beads in the red LED lamp string and the voltage required by the current control chip 5 for operation; similarly, the working voltage provided by the voltage-reducing module 2 to the green LED lamp string is the sum of the total working voltage of all green LED lamp beads in the green LED lamp string and the voltage required by the current control chip 5 for operation; the working voltage provided by the blue LED lamp string is the sum of the total working voltage of all the blue LED lamp beads in the blue LED lamp string and the voltage required by the current control chip 5 for working.

The total working voltage of all the red LED lamp beads can be the sum of the maximum working voltages of all the red LED lamp beads, and the total working voltage of the green LED lamp beads can be the sum of the maximum working voltages of all the green LED lamp beads; the total operating voltage of the blue LED lamp beads can be the sum of the maximum operating voltages of the blue LED lamp beads.

For example, in a specific embodiment, the landscape-brightening lamp driving system may include a red LED lamp string, a green LED lamp string, and a blue LED lamp string, each LED lamp string includes 6 LED lamp beads connected in series, and the power supply module provides an input voltage of 24V. If the maximum working voltage of the red light LED lamp beads is 2.2V, the maximum working voltages of the green light LED lamp beads and the blue light LED lamp beads are 3V, and the voltage required by the work of the current control chip is 1.5V, the working voltage provided by the 24V input voltage to the red light LED lamp string through the first voltage reduction circuit in the voltage reduction module can be about 2.2 + 6+1.5=14.7V, and in order to ensure the normal work of the lamp string, the first voltage reduction circuit can reduce the 24V input voltage to about 15V. Correspondingly, the working voltages provided by the 24V input voltage to the green and blue LED lamp strings through the second voltage reduction circuit in the voltage reduction module can be about 3 x 6+1.5=19.5V respectively, and in order to ensure the normal operation of the lamp strings, the second voltage reduction circuit can reduce the 24V input voltage to about 20V. That is, the first voltage reduction circuit reduces the input voltage to 15V to be the red LED lamp string, and the second voltage reduction circuit reduces the input voltage to 20V to supply power for the green LED lamp string and the blue LED lamp string. At the moment, except the LED lamp beads, components and parts with no other energy consumption such as voltage-dividing resistors and the like are arranged on each LED lamp string, and electric energy can be concentrated on light energy for the LED lamp beads to emit light, so that energy loss in a system is reduced, the energy-saving effect of the landscape lighting lamp is improved, and the driving efficiency is improved.

Based on same design, the embodiment of the utility model provides a landscape brightening lamps and lanterns is still provided, include the utility model discloses the view brightening lamps and lanterns actuating system that arbitrary embodiment provided. The embodiment of the utility model provides a view brightening lamps and lanterns includes the utility model discloses arbitrary embodiment provides a view brightening lamps and lanterns actuating system's whole technical characteristic and corresponding beneficial effect, and here is no longer repeated.

It should be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A landscape brightening luminaire driving system, comprising: the LED lamp comprises a power supply module, a voltage reduction module and a plurality of LED lamp strings; each LED lamp string comprises a plurality of LED lamp beads which are sequentially connected in series, and the starting working voltages of at least two LED lamp strings are different;

the voltage reduction module comprises a plurality of output ends, the output ends are electrically connected with at least one LED lamp string, the voltage reduction module is used for reducing the voltage of the input voltage and then providing working voltage for the LED lamp strings, and the working voltage output by the output ends is different.

2. The landscape brightening luminaire driving system of claim 1, wherein the plurality of LED light strings comprises: the starting working voltage of the first LED lamp string is a first working voltage, the starting working voltage of the second LED lamp string is a second working voltage, and the starting working voltage of the third LED lamp string is a third working voltage, wherein at least two of the first working voltage, the second working voltage and the third working voltage are different in size;

the voltage reduction module comprises a first voltage reduction circuit, a second voltage reduction circuit and a third voltage reduction circuit; the output end of the first voltage reduction circuit is connected with the first LED lamp string in series, and the first voltage reduction circuit reduces the input voltage and provides the first working voltage for the first LED lamp string;

the output end of the second voltage reduction circuit is connected with the second LED lamp string in series, and the first voltage reduction circuit reduces the input voltage and then provides the second working voltage for the second LED lamp string;

the output end of the third voltage reduction circuit is connected with the third LED lamp string in series, and the third voltage reduction circuit provides the third working voltage for the third LED lamp string after reducing the input voltage.

3. The landscape brightening lamp driving system of claim 2, wherein the first LED lamp string is a red LED lamp string, the second LED lamp string is a green LED lamp string, and the third LED lamp string is a blue LED lamp string; the first operating voltage is less than the second operating voltage or the third operating voltage.

4. The landscape brightening luminaire driving system of claim 3, wherein the second voltage reduction circuit is multiplexed as the third voltage reduction circuit; the second operating voltage is equal to the third operating voltage.

5. The landscape brightening lamp driving system of claim 3, wherein the operating voltage range of a single red LED lamp bead in the red LED lamp string is 2-2.2V; the working voltage ranges of the single green light LED lamp bead in the green light LED lamp string and the single blue light LED lamp bead in the blue light LED lamp string are both 2.8-3V.

6. The landscape brightening lamp driving system of claim 5, wherein the first operating voltage is the sum of the maximum operating voltages of all red LED lamp beads in the red LED lamp string;

the second working voltage is the sum of the maximum working voltages of all green light LED lamp beads in the green light LED lamp string or the sum of the maximum working voltages of all blue light LED lamp beads in the blue light LED lamp string.

7. The landscape brightening luminaire driving system of claim 1, further comprising a current control chip; and two ends of the current control chip are respectively electrically connected with the LED lamp string and the power supply module to form a loop.

8. The landscape brightening lamp driving system of claim 7, wherein the voltage reduction module is further electrically connected to the current control chip, the voltage reduction module supplying power to the current control chip.

9. The landscape brightening lamp driving system of claim 8, wherein the operating voltage provided by the voltage reduction module to the LED light string is the sum of the operating voltage of the LED light string and the operating voltage of the current control chip.

10. A landscape-enhancing light fixture including the landscape-enhancing light fixture driving system as claimed in any one of claims 1 to 9.