WO2016127679A1

WO2016127679A1 - Dimming control system and method for led lamp

Info

Publication number: WO2016127679A1
Application number: PCT/CN2015/094501
Authority: WO
Inventors: 鲁周波
Original assignee: 鲁周波
Priority date: 2015-02-09
Filing date: 2015-11-13
Publication date: 2016-08-18
Also published as: WO2016127288A1; EP3056808A1; CN105491704B; CN105491704A

Abstract

Disclosed are a dimming control system and method for an LED lamp. The dimming control system for an LED lamp comprises a transformer, a controller, an LED driving power supply, and a lamp body. The LED driving power supply is a narrow-voltage LED driving power supply. The beneficial effects are: because the voltage change amplitude capable of being adapted by the narrow-voltage LED driving power supply is small, there are conventional technology biases that the narrow-voltage LED driving power supply is not applicable to an LED lamp body; however, the present invention overcomes the conventional technology biases; by making full use of the characteristic that the voltage change amplitude capable of being adapted by the narrow-voltage LED driving power supply is small, the brightness changes of the LED lamp body are controlled according to voltage changes, and accordingly the dimming objective is achieved. In addition, multiple LED lamp bodies are disposed on a same linear power supply guide rail, and accordingly the effects of the present invention can be better implemented; in large sites such as a supermarket, a shopping mall, a conference site, a basement and a subway station, the brightness of multiple lamp bodies on a same power supply guide rail can be directly controlled, and accordingly the dimming in a larger scope can be implemented.

Description

LED lamp dimming control system and method

Technical field

The present invention relates to the field of lighting equipment, and in particular to an LED lamp dimming control system and method.

Background technique

In daily life, in some occasions, the lighting of the lamps will be adjusted according to actual needs to achieve the best use state and energy saving effect.

Many dimming systems on the market need to be equipped with a variety of receiving and transmitting devices. Such a design has not increased the cost of the product and the reliability is insufficient, and has been criticized in the industry.

Summary of the invention

The present invention solves one or more of the above problems, and provides an LED lamp dimming control system and method that can realize a dimming function very simply.

LED light dimming control system, including transformer, controller, LED drive power supply and lamp body,

The input end of the transformer is connected to the external power supply, and the external power supply is the common commercial power, and the output end of the transformer is connected with the LED driving power source;

a controller is coupled to the transformer, the controller is configured to control a voltage level at an output of the transformer;

The input end of the LED driving power supply is connected to the output end of the transformer, and the output end of the LED driving power supply supplies power to the lamp body, and the LED driving power source is a narrow voltage LED driving power source.

The beneficial effect is that in the field of traditional LED lighting technology, in order to ensure the stability of the illumination of the LED lamp body, the wide-voltage LED driving power source is selected to ensure that the LED lamp body can adapt to a wider range of voltage changes. At the same time, it is ensured that the LED lamp body does not change in brightness under the condition of voltage change.

Because the voltage variation of the narrow-voltage LED driving power supply can be adjusted to a small extent, the brightness of the LED light body is liable to change when the voltage of the external power supply is increased. Therefore, the traditional technical bias believes that the narrow-voltage LED driver power supply is not suitable for the LED lamp body.

However, the present invention overcomes the conventional technical bias and makes full use of the characteristics that the narrow voltage LED driving power source can adapt to the small variation of the voltage, and the voltage changes. Controlling the brightness change of the LED lamp body to achieve the purpose of dimming.

In some embodiments, the lamp body is disposed on the power supply rail and electrically connected to the power supply rail. The power supply rail is a linear rail or a wire slot built-in wire, and the same power supply rail is provided with a plurality of lamp bodies.

The utility model has the beneficial effects that the plurality of lamp bodies are arranged on the same linear power supply rail, so that the effect of the invention can be better exerted, and in a large place such as a supermarket, a shopping mall, a conference hall, a basement, a subway station, etc., the same power supply can be directly controlled at the same time. The brightness of multiple lamps on the rail allows for a wider range of dimming.

In some embodiments, the controller is any one or more of a light sensing controller, a wireless controller, a radar sensing controller, and a manual adjustment controller.

The beneficial effect is that various controllers can be used in the present invention as long as the output voltage of the transformer can be adjusted and controlled.

In some embodiments, the lamp body may be an LED fluorescent tube with a built-in narrow voltage power supply, or an LED fluorescent tube with a narrow voltage power supply externally. The lamp body comprises a reflective bracket, an LED light bar and a lamp cover;

The power supply rail has a groove-like structure as a whole, and the inside of the power supply rail is a groove;

The LED driving power source can be moved and disposed on the power supply rail. The cross section of the LED driving power source is in an "work" type structure, and the LED driving power source is divided into an upper half and a lower half, and the upper half of the LED driving power source is located in the groove. The lower half of the LED driving power supply is located outside the groove of the power supply rail;

a reflective edge is provided on the back edge of the reflective bracket, and the edge is fixed to the lower half of the LED driving power source by bolts;

The LED light bar is connected to the reflective bracket;

The lampshade is connected to the front side of the reflective bracket and covers the LED light bar;

The LED drive power is transferred from the power supply rail to the LED light bar.

The utility model has the beneficial effects that the lamp body of the invention is fixed on the LED driving power source by the edge of the back surface of the reflective bracket, and the LED driving power source is installed in the power supply rail, since the edging is fixed on the LED driving power source by bolts. The bolt can be easily tightened and loosened, so that the lamp body can be conveniently installed to provide the working efficiency of the installer.

At the same time, the power supply rail and the LED driving power supply of the invention can be made into standard specifications, and only need to produce reflective brackets and lampshades of different specifications, that is, the power supply rails can be used to match different specifications of the lamp body, thereby meeting different people. demand.

The lamp body of the invention is taken from the power supply rail, since the power supply rail is usually made of gold Made of profiles, the metal profiles are stretched by the mold during the production process, and the straight effect can be achieved within a certain length range. Therefore, when the whole lamp is installed, the linear straight technical effect can be achieved.

At the same time, since the entire power supply rail can obtain electric energy, the position of the lamp body can be conveniently moved along the power supply rail, and it is not necessary to change the position of the power supply rail, which is more convenient. Furthermore, the light emitted by the LED strip is sufficiently concentrated by the reflective bracket and then emitted through the lampshade, so that the entire lamp is uniformly illuminated. At the same time, the reflective bracket can be made of all-aluminum material, and the all-aluminum reflective bracket can provide a larger heat dissipation area for the heat dissipation of the LED strip, so that the power of the LED lamp can be made higher.

In some embodiments, the power supply rail includes a top plate, two outer side plates and two inner side plates, the tops of the outer side and the inner side plates are fixed on the top plate, and the bottom side of the inner side and outer side plates are provided with a supporting plate, a top plate and an outer side plate, The inner side plate and the support plate together form a semi-closed recess for receiving the upper half of the LED drive power source. The beneficial effect is that since the upper half of the LED driving power source is located in the groove, the LED driving power source can be supported by the supporting plate, does not fall from the groove, and can also make the LED driving power source convenient. Move along the power rail in the length direction.

In some embodiments, the first card slot is disposed on the inner side plate, and the first card slot is provided with an insulating slot. The opening of the insulating slot is toward the groove, and the insulating slot is provided with a conductive line. The beneficial effect is that since the main body of the entire power supply rail is usually made of a metal profile, it is very dangerous and unsafe to conduct electricity directly through the main body of the power supply rail. An insulating groove is provided on the first card slot of the inner side plate, and then a conductive wire is disposed in the insulating groove. This technical solution can make the power supply rail realize the power supply function. At the same time, since the conductive wire is disposed in the insulating groove, the main body of the power supply rail, that is, the top plate, the outer side plate, the inner side plate and the support plate are not charged, and there is no Danger of electric leakage and electric shock. The insulating groove strip usually adopts a rubber groove with certain elasticity, so that the rubber groove can be more conveniently and stably stuck in the first card slot. At the same time, the friction coefficient of the rubber is large, and the conductive wire can be well clamped to prevent the conductive wire from falling out of the rubber groove.

In some embodiments, the insulating channel strip has an "Ω"-shaped cross section, the insulating channel strip includes a top portion, two first connecting portions, and two second connecting portions, one end of the two first connecting portions being connected to the top portion At the two ends, the other end of the first connecting portion is connected to the second connecting portion, and the first connecting portion and the second connecting portion are connected to form a bayonet, and the bayonet is clamped on the inner side plate on both sides of the first card slot, One connection portion covers one side of the inner side panel, and the second connection portion covers the other side of the inner side panel. The beneficial effect is that the conductive wire can be located inside the Ω-shaped structure. Thereby, the conductive wire can be well fixed in the insulating strip. At the same time, the first connecting portion and the second connecting portion are respectively covered on both sides of the inner side plate, so that a large insulating area can be realized, and the conductive line is surely not contacted to the inner side plate, thereby preventing the possibility of electric leakage and electric shock.

In some embodiments, the LED driving power source includes a top cover, a housing and a bottom cover, and the inside of the housing is provided with a space for accommodating a driving power source, the top cover covers the housing, and the bottom cover is disposed at the bottom of the housing, the housing The outer side wall is provided with a fixing groove, and the fixing groove cooperates with the supporting plate to fix the LED driving power source to the power supply rail. The utility model has the beneficial effects that the top cover, the casing and the bottom cover can be made of an insulating material, so that the outer casing of the LED driving power source can be insulated from the conductive wire, and at the same time, the cooperation between the fixing groove and the supporting plate can be very good. Install the entire LED driver power supply on the power rail without falling.

In some embodiments, the housing includes a first portion and a second portion, the fixing groove is located at the junction of the first portion and the second portion, the width of the second portion is greater than the width of the first portion, and the side of the second portion is provided with the bolt Matching fixing holes. The beneficial effect is that since the second portion of the casing is located outside the groove, it is easy to install by fixing the hem to the fixing hole by bolts, so that the installation and disassembly can be conveniently performed.

In some embodiments, a first notch is disposed on the two sides of the first portion corresponding to the sidewall of the power supply rail, and the first notch is disposed at the first notch, and one end of the first conductive piece is connected to the conductive line. The other end of a conductive sheet is connected to a driving power source. The utility model has the beneficial effects that the first conductive sheet protrudes from the first notch, so that only the first conductive sheet can be contacted with the conductive wire, and no leakage problem occurs, and the connection of the first conductive sheet can be The electricity on the conductive line is supplied to the driving power source.

In some embodiments, the first conductive sheet has a “Z”-shaped structure, and the conductive sheet includes a mounting portion, an elastic portion, and a contact portion, the mounting portion is configured to mount the conductive sheet on the housing, and the elastic portion is coupled to the mounting portion. The contact portion is in contact with the conductive line, and the contact portion is connected to the elastic portion. The housing is provided with a retaining wall that cooperates with the elastic portion. The opposite side of the retaining wall from the elastic portion is a sloped surface, and the elastic portion is close to the end of the mounting portion. The distance of the wall is smaller than the distance between the end of the elastic portion close to the contact portion and the blocking wall;

An arcuate side is provided on one end of the contact portion in contact with the conductive line.

The utility model has the beneficial effects that since the first conductive sheet has an elastic portion, when the first conductive sheet on both sides can be pressed toward the retaining wall during the installation, the elastic portion is deformed, and the contact portion can be first. The notch is recessed inward, and the width of the entire LED driving power source becomes slightly narrower, so that the first conductive piece can be located between the two conductive wires, and at the same time, the elastic portion has elastic force, so that the contact portion can be more tightly and electrically conductive. Wire connection Touch to ensure the effect of electricity.

In some embodiments, the bottom of the driving power source is connected with a second conductive sheet, the bottom cover is provided with a second notch, the second conductive piece is away from the driving power source and the second notch is matched, and the second conductive piece is adjacent to the second notch. The position is curved and pleated, and the second conductive piece is provided with a conductive contact near the end of the second notch. The utility model has the beneficial effects that after the arcuate pleats are set, the elasticity of the second conductive sheet can be increased, so that the conductive contact has a greater downward pressure, and the second conductive sheet can transmit the current after the conversion of the driving power source to the LED. Light.

In some embodiments, the reflective support further comprises a heat dissipation back plate, two side plates and an arc reflector, the two side plates and the heat dissipation back plate and the arc reflector cover a hollow space, and the heat dissipation back plate and the bead are integrally formed. The inner surface of the arc reflector is provided with a second card slot, the LED light bar is clamped in the second card slot, and the third card slot is disposed on both sides of the arc reflector, and the card cover is provided on both sides of the lamp cover. The card is disposed in the third card slot.

The beneficial effect is that the hollow space is mainly provided for material saving, so that the entire reflective bracket is lighter and convenient for installation. The entire reflective bracket and the edging further increase the area of the entire reflective bracket, thereby increasing the heat dissipation area and improving the heat dissipation effect.

Each lamp body can be matched with two LED driving power sources, and two LED driving power sources are respectively located at two ends of the lamp body, so that the lamp body can be sandwiched between the two LED driving power sources.

In some embodiments, the end cover further includes an end cover including a body and a support plate, the support plate is fixed to one side of the body, the support plate is provided with a limiting block, and the limiting block corresponds to the second conductive piece, the support plate There are also through holes.

The utility model has the beneficial effects that the lamp body can realize a relatively closed space through the end cover, preventing the dust from falling into the lamp cover and ensuring a good luminous effect. At the same time, the LED driving power source can be well supported by the support plate to keep the LED driving power supply stable. At the same time, the second conductive sheet can be prevented from being displaced by the cooperation of the limiting block and the second conductive sheet. The through hole on the support plate can be used for the electric wire to facilitate the connection of the second conductive piece to the LED light bar.

At the same time, the present invention also provides a method for controlling dimming of an LED lamp.

After the external power supply is transformed by the transformer, it is output to the input end of the LED driving power supply;

The LED driving power source is used to drive the lamp body to perform illuminating work;

Wherein, the LED driving power source is a narrow voltage LED driving power source, the transformer is connected to the controller, and the voltage magnitude change of the output end of the transformer is controlled by the controller,

The voltage level at the input end of the LED driving power source changes, which causes the degree of illumination of the lamp body to change, and the dimming of the LED lamp is realized.

The beneficial effect is that in the field of traditional LED lighting technology, people want to ensure LED The degree of illumination of the lamp body is kept stable, so it is chosen to use a wide-voltage LED driving power supply to ensure that the LED lamp body can adapt to a wider range of voltage changes, and at the same time ensure that the LED lamp body does not appear in the case of voltage changes. The situation of change.

However, the present invention overcomes the conventional technical prejudice and fully utilizes the characteristics that the narrow voltage LED driving power source can adapt to the small variation of the voltage, and controls the brightness change of the LED lamp body through the change of the voltage, thereby realizing the dimming. purpose.

In some embodiments, the lamp body is disposed on the power supply rail and electrically connected to the power supply rail, the power supply rail is a linear guide rail, and the plurality of lamp bodies are disposed on the same power supply rail. The utility model has the beneficial effects that the plurality of lamp bodies are arranged on the same linear power supply rail, so that the effect of the invention can be better exerted, and in a large place such as a supermarket, a shopping mall, a conference hall, a basement, a subway station, etc., the same power supply can be directly controlled at the same time. The brightness of multiple lamps on the rail allows for a wider range of dimming.

In some embodiments, the controller is controlled by any one or more of photosensitive sensing control, wireless control, radar sensing control, and manual adjustment control. The beneficial effect is that various control methods can be used in the present invention as long as the output voltage of the transformer can be adjusted and controlled.

DRAWINGS

1 is a schematic diagram of the principle of an LED lamp dimming control system according to an embodiment of the present invention;

2 is a schematic side view showing the structure of a power supply rail and a lamp body according to an embodiment of the present invention;

3 is a schematic structural view of an end surface of a power supply rail and a lamp body according to an embodiment of the present invention;

4 is a schematic cross-sectional structural view of a power supply rail and a lamp body according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a power supply rail according to an embodiment of the present invention; FIG.

Figure 6 is a partial structural view of a portion A of Figure 5;

7 is a schematic structural view of an insulating channel strip according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of an LED driving power supply according to an embodiment of the present invention; FIG.

9 is a schematic structural view of a top cover according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of a housing according to an embodiment of the present invention; FIG.

11 is a schematic structural view of a bottom cover according to an embodiment of the present invention;

FIG. 12 is a schematic structural view of another perspective view of a housing according to an embodiment of the present invention; FIG.

FIG. 13 is a schematic structural view of a housing at another viewing angle according to an embodiment of the present invention; FIG.

FIG. 14 is a schematic structural view of a first conductive sheet according to an embodiment of the present invention; FIG.

15 is a schematic structural view of a first viewing angle of a first conductive sheet according to an embodiment of the present invention;

16 is a schematic structural view of a housing and a first conductive sheet according to an embodiment of the present invention;

17 is a schematic structural view of a second conductive sheet according to an embodiment of the present invention;

18 is a schematic structural view of a reflective bracket according to an embodiment of the present invention;

19 is a schematic structural view of an end cap according to an embodiment of the present invention;

20 is a schematic structural view of a lampshade according to an embodiment of the present invention.

detailed description

The LED lamp dimming control system of the present invention will be further described below with reference to FIGS. 1 to 20 and specific embodiments.

As shown in FIG. 1 , the LED lamp dimming control system comprises a transformer 4 , a controller 5 , an LED driving power source 2 and a lamp body 3 , wherein the input end of the transformer 4 is connected to the external power source 6 , and the output end of the transformer 4 is The LED driving power source 2 is connected; the controller 5 is connected to the transformer 4, and the controller 5 is used to control the voltage level of the output end of the transformer 4; the input end of the LED driving power source 2 is connected to the output end of the transformer 4, and the LED driving power source 2 The output terminal supplies power to the lamp body 3, and the LED driving power source 2 is a narrow-voltage LED driving power source.

In the field of traditional LED lighting technology, in order to ensure the stability of the LED lamp body 3, the wide-voltage LED driving power source is selected to ensure that the LED lamp body 3 can adapt to a wider range of voltage changes while ensuring LEDs. The lamp body does not change in brightness even when the voltage changes.

Since the magnitude of the voltage change that the narrow-voltage LED driving power source 2 can accommodate is small, the brightness of the LED lamp body 3 is liable to change as soon as the voltage of the external power source is increased. Therefore, the traditional technical bias believes that the narrow-voltage LED driver power supply is not suitable for the LED lamp body.

At the same time, the lamp body 3 is disposed on the power supply rail 1 and electrically connected to the power supply rail 1 . The power supply rail 1 is a linear rail or a wire slot built-in electric wire, and the same power supply rail 1 is provided with a plurality of lamp bodies 3 . The plurality of lamp bodies 3 are disposed on the same linear power supply rail 1 to better exert the effects of the present invention. For large places such as supermarkets, shopping malls, conference halls, basements, and subway stations, the same power supply rails can be directly controlled at the same time. The brightness of multiple lamps can achieve a wider range of dimming.

The controller 5 of the present invention may employ any one or more of a photosensitive sensing controller, a wireless controller, a radar sensing controller, and a manual adjustment controller. Various controllers can be used in the present invention as long as the output voltage of the transformer can be adjusted and controlled. .

The lamp body 3 can be an LED fluorescent tube with a built-in narrow voltage power supply, or an LED fluorescent tube with a narrow voltage power supply externally. As shown in FIG. 2, FIG. 3, FIG. 4, the lamp body 3 includes a reflective bracket 31, an LED light bar 32 and a lamp cover 33;

The power supply rail 1 is a groove-like structure as a whole, and the inside of the power supply rail 1 is a groove 34;

As shown in FIG. 3 and FIG. 8 , the LED driving power source 2 is movably disposed on the power supply rail 1 , and the LED driving power source 2 has an overall “work” shape, and the LED driving power source 2 is divided into an upper half 35 and a lower portion. The upper portion 35 of the LED driving power source 2 is located in the recess 34, and the lower half 36 of the LED driving power source 2 is located outside the recess 34 of the power supply rail 1;

As shown in FIG. 4 and FIG. 18, the back edge of the reflective bracket 31 is provided with a bead 37, and the bezel 37 is fixed to the lower half 36 of the LED driving power source 2 by bolts 38;

The LED light bar 32 is connected to the reflective bracket 31;

The lampshade 33 is connected to the front surface of the reflective bracket 31 and covers the LED light bar 32;

The LED driving power source 2 is transferred from the power supply rail 1 to the LED light bar 32.

The lamp body 3 of the present invention is fixed on the LED driving power source 2 through the bezel 37 on the back side of the reflective holder 31, and the LED driving power source 2 is mounted in the power supply rail 1, since the bezel 37 is fixed to the LED driver by the bolt 38. The bolts 38 on the power supply 2 can be easily tightened and loosened, so that the lamp body 3 can be conveniently mounted to provide the work efficiency of the installer.

At the same time, the power supply rail 1 and the LED driving power source 2 of the present invention can be made into standard specifications, and only the reflective bracket 31 and the lampshade 33 of different specifications need to be produced correspondingly, that is, the power supply rail 1 can be used to match the lamp body 3 of different specifications. Thereby meeting the different needs of different people.

The lamp body 3 of the present invention is powered from the power supply rail 1, and since the power supply rail 1 is usually made of a metal profile, the metal profile is stretched by a die during production. The straight effect can be achieved within a certain length range, so the linear straight technical effect can be achieved after the installation of the entire lamp.

At the same time, since the entire power supply rail 1 can obtain electric energy, the position of the lamp body 3 can be conveniently moved along the power supply rail 1 without changing the position of the power supply rail 1, which is more convenient. Moreover, the light emitted by the LED light bar 32 is sufficiently concentrated by the reflective bracket 31, and then emitted through the lamp cover 33, so that the entire lamp is uniformly softened. At the same time, the reflective bracket 31 can be made of all-aluminum material, and the all-aluminum reflective bracket 31 can provide a larger heat dissipation area for the heat dissipation of the LED strip 32, so that the power of the LED lamp can be made higher.

As shown in FIG. 5, FIG. 6, and FIG. 7, the power supply rail 1 of the present invention includes a top plate 39, two outer side plates 310 and two inner side plates 311, and the outer side plates 310 and the tops 316 of the inner side plates 311 are fixed on the top plate 39. The bottom of the inner side plate 311 and the outer side plate 310 are provided with a support plate 312. The top plate 39, the outer side plate 310, the inner side plate 311 and the support plate 312 together form a semi-closed groove 34 for accommodating the LED driving power source 2. Upper half 35. Since the upper half 35 of the LED driving power source 2 is located in the recess 34, the LED driving power source 2 can be supported by the supporting board 312 without falling from the recess 34, and the LED driving power source 2 can also be made very It is convenient to move along the power supply rail 1 in the length direction.

At the same time, the first card slot 313 is disposed on the inner side plate 311. The first card slot 313 is provided with an insulating slot 314. The opening of the insulating slot 314 faces the recess 34, and the insulating slot 314 is provided with a conductive line 315. Since the main body of the entire power supply rail 1 is usually made of a metal profile, it is extremely dangerous and unsafe to conduct electricity directly through the main body of the power supply rail 1. An insulating groove 314 is provided on the first card slot 313 of the inner side plate 311, and then a conductive line 315 is disposed in the insulating groove 314. This technical solution can enable the power supply rail 1 to realize the power supply function. Meanwhile, since the conductive wire 315 is disposed in the insulating groove 314, the main body of the power supply rail 1 is the top plate 39, the outer side plate 310, the inner side plate 311, and the support plate 312. It will not be charged and there will be no danger of leakage and electric shock. The insulating groove 314 usually adopts a rubber groove with a certain elasticity, so that the rubber groove can be more conveniently and more stably stuck in the first card slot 313. At the same time, the friction coefficient of the rubber is large, and the conductive wire 315 can be well clamped to prevent the conductive wire 315 from falling out of the rubber groove.

The insulating grooved strip 314 in this embodiment has an "Ω"-shaped cross section, and the insulating grooved strip 314 includes a top portion 316, two first connecting portions 317 and two second connecting portions 318, and the two first connecting portions 317 One end is connected to the two ends of the top portion 316, and the other end of the first connecting portion 317 is connected to the second connecting portion 318. The first connecting portion 317 and the second connecting portion 318 are connected to form a bayonet 319, and the bayonet 319 is interposed therebetween. The inner side plate 311 on both sides of the first card slot 313 Upper, the first connecting portion 317 covers one side of the inner side plate 311, and the second connecting portion 318 covers the other side of the inner side plate 311. The conductive line 315 may be located inside the Ω-shaped structure such that the conductive line 315 can be well secured within the insulating strip. At the same time, the first connecting portion 317 and the second connecting portion 318 are respectively covered on both sides of the inner side plate 311, so that a large insulating region can be realized, and the conductive wire 315 is surely not in contact with the inner side plate 311, thereby preventing leakage and The possibility of electric shock.

As shown in FIG. 8, FIG. 9, FIG. 10, FIG. 11, FIG. 12, FIG. 13, FIG. 14, FIG. 15, FIG. 16, FIG. 17, the LED driving power source 2 of the present invention includes a top cover 21, a casing 22 and a bottom. The cover 23 has a space inside the housing 22 for accommodating a driving power source (not shown). The top cover 21 covers the housing 22, and the bottom cover 23 is disposed at the bottom of the housing 22, and the outer side wall of the housing 22. A fixing groove 24 is provided on the fixing groove 24 to cooperate with the supporting plate 312 to fix the LED driving power source 2 to the power supply rail 1. The top cover 21, the housing 22 and the bottom cover 23 can be made of an insulating material, so that the outer casing of the LED driving power source 2 can be insulated from the conductive wire 315, and at the same time, by the cooperation of the fixing groove 24 and the supporting plate 312, It is good to mount the entire LED driving power supply 2 on the power supply rail 1 without falling.

As shown in Fig. 8, the housing 22 of the present invention includes a first portion 25 and a second portion 26, the fixing groove 24 being located at the junction of the first portion 25 and the second portion 26, the width of the second portion 26 being greater than the width of the first portion 25. The side of the second portion 26 is provided with a fixing hole 27 that matches the bolt 38. Since the second portion 26 of the housing 22 is located outside the recess 34, the bezel 37 is fixed to the fixing hole 27 by the bolt 38, so that it can be easily mounted, so that it can be easily mounted and removed.

A first notch 28 is disposed on the two sides of the first portion 25 corresponding to the sidewall of the power supply rail 1 , and the first conductive strip 29 is disposed at the first notch 28 , and one end of the first conductive sheet 29 and the conductive line 315 Connected, the other end of the first conductive sheet 29 is connected to a driving power source. The first conductive sheet 29 protrudes from the first notch 28, so that only the first conductive sheet 29 is in contact with the conductive line 315, and no leakage problem occurs. The connection of the first conductive sheet 29 can be The electricity on the conductive line 315 is supplied to the driving power source.

As shown in FIG. 14 and FIG. 15, the first conductive sheet 29 has a zigzag structure. The first conductive sheet includes a mounting portion 210, an elastic portion 211, and a contact portion 212. The mounting portion 210 is used to mount the conductive sheet to the housing. 22, the elastic portion 211 is connected to the mounting portion 210, the contact portion 212 is in contact with the conductive wire 315, and the contact portion 212 is connected to the elastic portion 211. As shown in FIG. 16, the housing 22 is provided with the elastic portion 211. The mating retaining wall 213 has a sloped surface opposite to the elastic portion 211. The distance between the end of the elastic portion 211 adjacent to the mounting portion 210 and the retaining wall 213 is smaller than the end of the elastic portion 211 close to the contact portion 212 and the retaining wall 213. The distance between the contact portion 212 and the conductive line 315 is provided with an arcuate side 214.

Since the first conductive sheet 29 has an elastic portion 211, the first conductive sheets 29 on both sides can be pressed toward the retaining wall 213 during the mounting, so that the elastic portion 211 is deformed, and the contact portion 212 can be A notch 28 is recessed inward, and the width of the entire LED driving power source 2 becomes slightly narrower, so that the first conductive sheet 29 can be located between the two conductive wires 315, and at the same time, the elastic portion 211 has an elastic force, so that the contact portion 212 can be more closely contacted with the conductive line 315 to ensure the effect of conduction.

At the same time, the end of the contact portion 212 contacting the conductive line 315 is provided with an arc-shaped edge 214, which can facilitate the movement of the LED driving power source 2 on the power supply rail 1 without being hindered, facilitating the installation of the entire rail-type LED lamp to adjust the lamp body 3. position.

A second conductive strip 215 is connected to the bottom of the driving power source. The bottom cover 23 is provided with a second notch 216. The end of the second conductive strip 215 away from the driving power source cooperates with the second notch 216, as shown in FIG. The conductive sheet 215 has an arcuate pleat 217 near the second notch 216, and the second conductive piece 215 is provided with a conductive contact 218 near the end of the second notch 216. After the arcuate pleats 217 are disposed, the elasticity of the second conductive sheet 215 can be increased, so that the conductive contact 218 has a greater downward pressure, and the second conductive sheet 215 can transfer the current converted by the driving power source to the LED lamp. Article 32.

As shown in FIG. 18, in the present invention, the reflective support 31 further includes a heat dissipation back plate 320, two side plates 321 and an arc reflector 322. The two side plates 321 and the heat dissipation back plate 320 and the arc reflector 322 enclose a hollow space. The heat dissipation back plate 320 and the rim 37 are integrally formed. The inner surface of the arc reflector 322 is provided with a second card slot 323. The LED light bar 32 is locked in the second card slot 323, and both sides of the arc reflector 322 A third card slot 324 is provided. As shown in FIG. 20, the lamp cover 33 is provided with a card edge 325 on both sides thereof, and the card edge 325 is disposed in the third card slot 324.

The provision of a hollow space on the reflective support 31 is mainly to save material, so that the entire reflective support 31 is more portable, thereby facilitating installation. The entire reflective bracket 31 and the bezel 37 further increase the area of the entire reflective bracket 31, thereby increasing the heat dissipation area and improving the heat dissipation effect.

Each of the lamp bodies 3 can be matched with two LED driving power sources 2, and two LED driving power sources 2 are respectively located at two ends of the lamp body 3, so that the lamp body 3 can be sandwiched between the two LED driving power sources 2.

As shown in FIG. 19, the rail type LED lamp further includes an end cover 326. The end cover 326 includes a body 327 and a support plate 328. The support plate 328 is fixed to one side of the body 327, and the support plate 328 is provided with a limiting block 329. The limiting block 329 corresponds to the second conductive sheet 215. A through hole 330 is further provided on the support plate 328.

Through the end cover 326, the lamp body 3 can realize a relatively closed space, preventing dust from falling into the lamp cover 33, and ensuring a good lighting effect. At the same time, the LED driving power source 2 can be well supported by the support plate 328 to keep the LED driving power source 2 stable. At the same time, by the cooperation of the limiting block 329 and the second conductive sheet 215, the second conductive sheet 215 can be prevented from being displaced. The through hole 330 on the support plate 328 can be used for the energizing wire to facilitate the connection of the second conductive piece 215 with the LED light bar 32.

In the field of traditional LED lighting technology, in order to ensure the stability of the LED lamp body, the wide-voltage LED driving power supply is selected to ensure that the LED lamp body can adapt to a wider range of voltage changes while ensuring the LED lamp body. In the case of a voltage change, there is no case where the brightness changes.

At the same time, the lamp body of the present invention is disposed on the power supply rail and electrically connected to the power supply rail, the power supply rail is a linear guide rail, and the same power supply rail is provided with a plurality of lamp bodies. The utility model has the beneficial effects that the plurality of lamp bodies are arranged on the same linear power supply rail, so that the effect of the invention can be better exerted, and in a large place such as a supermarket, a shopping mall, a conference hall, a basement, a subway station, etc., the same power supply can be directly controlled at the same time. The brightness of multiple lamps on the rail allows for a wider range of dimming.

The control method of the controller is any one or more of photosensitive sensing control, wireless control, radar sensing control and manual adjustment control. The beneficial effect is that various control methods can be used in the present invention as long as the output voltage of the transformer can be adjusted and controlled.

The above are only some embodiments of the invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and scope of the invention.

Claims

LED light dimming control system, comprising: a transformer (4), a controller (5), an LED driving power source (2) and a lamp body (3),

The input end of the transformer (4) is connected to an external power source (6), and the output end of the transformer (4) is connected to the LED driving power source (2);

The controller (5) is connected to the transformer (4), and the controller (5) is configured to control a voltage level of an output end of the transformer (4);

An input end of the LED driving power source (2) is connected to an output end of the transformer (4), and an output end of the LED driving power source (2) supplies power to the lamp body (3), and the LED driving power source ( 2) For narrow voltage LED drive power.
The LED lamp dimming control system according to claim 1, wherein the lamp body (3) is disposed on the power supply rail (1) and electrically connected to the power supply rail (1), and the power supply rail (1) For the linear guide or the wire slot built-in wire, the same power supply rail (1) is provided with a plurality of lamp bodies (3).
The LED lamp dimming control system according to claim 1, wherein the controller (5) is any one of a photosensitive sensor controller, a wireless controller, a radar sensor controller, and a manual adjustment controller. A variety.
The LED lamp dimming control system according to claim 2, wherein the lamp body (3) comprises a reflective bracket (31), an LED light bar (32) and a lamp cover (33);

The power supply rail (1) is a groove-like structure as a whole, and the inside of the power supply rail (1) is a groove (34);

The LED driving power source (2) is movably disposed on the power supply rail (1), and the LED driving power source (2) has an overall "work" type structure, and the LED driving power source (2) is divided into upper a half (35) and a lower half (36), an upper half (35) of the LED driving power source (2) is located in the recess (34), and the lower half of the LED driving power source (2) (36) located outside the recess (34) of the power supply rail (1);

a shielding edge (37) is disposed on a back edge of the reflective bracket (31), and the edge (37) is fixed to a lower half (36) of the LED driving power source (2) by a bolt (38);

The LED light bar (32) is connected to the reflective bracket (31);

The lamp cover (33) is connected to the front surface of the reflective bracket (31) and covers the LED Light bar (32);

The LED driving power source (2) is powered from the power supply rail (1) and then transmitted to the LED light bar (32).
The LED lamp dimming control system according to claim 4, wherein the power supply rail (1) comprises a top plate (39), two outer side plates (310) and two inner side plates (311), the outer side The tops of the plate (310) and the inner side plate (311) are fixed to the top plate (39), and the bottoms of the inner side plate (311) and the outer side plate (310) are provided with a support plate (312), the top plate (39) The outer side plate (310), the inner side plate (311) and the support plate (312) together form a semi-closed groove (34) for accommodating the LED driving power source (2) Upper half (35);

a first card slot (313) is disposed on the inner side plate (311), and the first card slot (313) is provided with an insulating slot (314), and the opening of the insulating slot (314) faces the recess ( 34), the insulating channel strip (314) is provided with a conductive line (315);

The insulating channel strip (314) has an "Ω"-shaped cross section, and the insulating channel strip (314) includes a top portion (316), two first connecting portions (317), and two second connecting portions (318). One ends of the two first connecting portions (317) are connected to both ends of the top portion (316), and the other end of the first connecting portion (317) is connected to the second connecting portion (318) The first connecting portion (317) and the second connecting portion (318) are connected to form a bayonet (319), and the bayonet (319) is sandwiched on both sides of the first card slot (313) On the inner side plate (311), the first connecting portion (317) covers one side of the inner side plate (311), and the second connecting portion (318) covers the other side of the inner side plate (311) One side.
The LED lamp dimming control system according to claim 5, wherein said LED driving power source (2) comprises a top cover (21), a housing (22) and a bottom cover (23), said housing ( 22) is internally provided with a space for accommodating a driving power source (not shown), the top cover (21) covering the casing (22), and the bottom cover (23) being disposed at the casing At the bottom of (22), the outer side wall of the casing (22) is provided with a fixing groove (24), and the fixing groove (24) cooperates with the supporting plate (312) to drive the LED driving power source ( 2) fixed on the power supply rail (1);

The housing (22) includes a first portion (25) and a second portion (26), the fixing groove (24) being located at a junction of the first portion (25) and the second portion (26), the second portion The width of (26) is greater than the width of the first portion (25), and the side of the second portion (26) is provided with a fixing hole (27) matching the bolt (38);

a first notch (28) is disposed on the two sides of the first portion (25) corresponding to the sidewall of the power supply rail (1), and the first conductive strip (29) is disposed at the first notch (28) The first guide One end of the electric piece (29) is connected to the conductive wire (315), and the other end of the first conductive piece (29) is connected to the driving power source;

The first conductive sheet (29) has a zigzag structure, and the first conductive sheet (29) includes a mounting portion (210), an elastic portion (211), and a contact portion (212), the mounting portion (210) ) for mounting the conductive sheet on the housing (22), the elastic portion (211) is connected to the mounting portion (210), the contact portion (212) is in contact with the conductive wire (315), and the contact portion ( 212) connected to the elastic portion (211), the housing (22) is provided with a blocking wall (213) that cooperates with the elastic portion (211), the blocking wall (213) and the The opposite side of the elastic portion (211) is a sloped surface, and the end of the elastic portion (211) near the mounting portion (210) is spaced from the blocking wall (213) by a distance smaller than the end of the elastic portion (211) close to the contact portion (212). The distance from the retaining wall (213);

An end of the contact portion (212) in contact with the conductive line (315) is provided with an arcuate edge (214).
The LED lamp dimming control system according to claim 6, wherein a bottom of the driving power source is connected with a second conductive sheet (215), and the bottom cover (23) is provided with a second gap (216). An end of the second conductive sheet (215) away from the driving power source cooperates with the second notch (216), and a position of the second conductive sheet (215) near the second notch (216) is a curved pleat (217), the second conductive sheet (215) is provided with a conductive contact (218) near the end of the second notch (216);

The reflective bracket (31) further includes a heat dissipation backplane (320), two side panels (321) and an arc reflector (322), the two edge panels (321) and the heat dissipation backplane (320) and the arc reflective The plate (322) encloses a hollow space, the heat dissipation back plate (320) and the rim (37) are integrally formed, and the inner surface of the arc reflector (322) is provided with a second card slot (323) The LED light bar (32) is disposed in the second card slot (323), and the third card slot (324) is disposed on both sides of the arc reflector (322), the lamp cover (33) a card edge (325) is disposed on the two sides, and the card edge (325) is disposed in the third card slot (324);

The lamp body (3) further includes an end cap (326) including a body (327) and a support plate (328), the support plate (328) being fixed to the body (327) On one side, the support plate (328) is provided with a limiting block (329), the limiting block (329) corresponds to the second conductive piece (215), and the supporting plate (328) is further provided. There is a through hole (330).
LED light dimming control method,

After the external power supply is transformed by the transformer, it is output to the input end of the LED driving power supply;

The LED driving power source is used to drive the lamp body to perform illuminating work;

Among them, the LED driving power supply is a narrow-voltage LED driving power supply, and the transformer is connected to the control. a controller that controls a voltage level change at an output of the transformer,

The voltage level at the input end of the LED driving power source changes, which causes the degree of illumination of the lamp body to change, and the dimming of the LED lamp is realized.
The LED lamp dimming control method according to claim 8, wherein the lamp body is disposed on the power supply rail and electrically connected to the power supply rail, the power supply rail is a linear guide rail, and the plurality of lamp bodies are disposed on the same power supply rail.
The LED lamp dimming control method according to claim 8, wherein the controller is controlled by any one or more of photosensitive sensing control, wireless control, radar sensing control, and manual adjustment control.