CN217356806U - Back contact type lamp strip and lamp - Google Patents

Abstract

The application discloses back of body contact formula lamp area includes: the lamp comprises a substrate, a lamp bead and a conductive strip; the conductive strips and the lamp beads are respectively arranged on the front surface and the back surface of the substrate, so that on one hand, the electricity connection part and the light emitting part of the lamp strip can be arranged in a partition mode, the intensive arrangement of the lamp beads is facilitated, the volume of the lamp strip can be reduced, and the miniaturization of the lamp strip is realized; on the other hand, the arrangement of the conducting strips is not limited by the lamp beads any more, and on the second surface of the substrate, the conducting strips can be set to be continuous strip-shaped structures, so that the lamp strip has free cuttability, and the lamp strip is more convenient to use and higher in installation accuracy. The application also discloses a lamp, which comprises the back contact type lamp strip and an installation frame, wherein the installation frame is provided with an installation groove, and the installation groove is used for arranging the back contact type lamp strip; when the back contact type lamp strip is installed, the back contact type lamp strip is pushed, so that the back contact type lamp strip can move along the installation groove; because the lamp bead and the arrangement of the conductive bar are not interfered with each other, the lamp is more convenient to connect electricity and has stronger applicability.

Description

Back contact type lamp strip and lamp

Technical Field

The application relates to the technical field of lighting equipment, in particular to a back contact type lamp strip and a lamp.

Background

Referring to fig. 1, a conventional light strip is illustrated; the lamp beads 2 ' and the conductive parts 3 ' are arranged on the same surface of the substrate 1 ' at intervals; in some embodiments, the conductive portion 3 'is exposed only on the surface where the bead 2' is located; in other embodiments, the conductive portion 3 'is disposed through the substrate 1' such that the conductive portion 3 'is exposed on both sides of the substrate 1' for electrical connection.

When the lamp area is manufactured in a factory, the lamp area with a certain length is usually manufactured in a coiled mode, and therefore when the lamp area is actually used, the lamp area needs to be cut according to the size of a mounting portion.

The conventional light strip needs to be cut according to the position of the conductive part 3 'on the light strip, so that the end part of the cut light strip is provided with the conductive part 3' to facilitate the quick connection of electric connecting pieces. That is, in the case of the conventional light strip, the conductive portion 3' thereon affects cutting, resulting in poor cutting accuracy.

Disclosure of Invention

The utility model aims at overcoming the not enough that exists among the prior art, provides a back contact formula lamp area and lamps and lanterns.

For realizing above technical purpose, this application provides a back of body contact formula lamp area, includes: the substrate comprises a first surface and a second surface, wherein the first surface and the second surface are front and back surfaces; the lamp bead is arranged on the first surface; the conductive strip is arranged on the second surface and is used for contacting the electric connection piece; the power connecting piece is used for connecting a power supply; when the lamp is powered on, current can enter the conductive strip through the power connection piece and can act on the lamp bead through the conductive strip so that the lamp bead emits light.

Furthermore, the back contact type lamp strip comprises a plurality of lamp beads which are arranged at intervals along the first direction; the conductive strips extend along a first direction; the lamp pearl links to each other with the conducting strip, and during the circular telegram, the electric current can cause whole lamp pearls to give out light through the conducting strip.

Further, the conductive strips are copper foils.

Furthermore, the back contact type lamp strip comprises two conductive bars which are arranged at intervals; one conductive strip is used for connecting a zero line, and the other conductive strip is used for connecting a live line.

Furthermore, the back contact type lamp strip comprises three conductive bars which are arranged at intervals; one of the conductive strips is used for connecting a zero line, the other conductive strip is used for connecting a live line, and the other conductive strip is used for connecting a ground wire.

The application also provides a lamp which comprises the back contact type lamp strip and an installation frame, wherein the installation frame is provided with an installation groove, and the installation groove is used for arranging the back contact type lamp strip; when the back contact type lamp strip is installed, the back contact type lamp strip is pushed, and the back contact type lamp strip can move along the installation groove.

Further, the groove width D of the mounting groove is adapted to the width D of the back contact type lamp strip; wherein D-D is more than or equal to 0 and less than or equal to 2 mm.

Further, the lamp further comprises an insulating sheet, and the insulating sheet is arranged between the mounting frame and the back contact type lamp strip.

Furthermore, an opening is formed in the mounting groove, and when the back contact type lamp strip works, light can act outwards through the opening; the lamp further comprises a lampshade, and the lampshade is used for shielding the opening.

Furthermore, the lamp also comprises an end cover, wherein a power connection part is arranged in the end cover; when the end cover is connected with the mounting frame, the electric connecting piece can extend into the mounting groove and contact the conductive strip.

The application also provides a back of body contact formula lamp area, include: the lamp comprises a substrate, a lamp bead and a conductive strip, wherein the substrate comprises a first surface and a second surface, the lamp bead is arranged on the first surface, and the conductive strip is arranged on the second surface; the conductive strips and the lamp beads are respectively arranged on the front surface and the back surface of the substrate, so that on one hand, the power connection part and the light emitting part of the lamp strip can be arranged in a partition manner, the two parts are prevented from interfering with each other, the intensive arrangement of the lamp beads is facilitated, the volume of the lamp strip can be compressed, and the miniaturization of the lamp strip is realized; on the other hand, arranging of conducting bar no longer receives the restriction of lamp pearl, on the second face of base plate, the conducting bar can set up to continuous rectangular form structure, so, the in-process in application lamp area no longer need decide the position of cutting according to conducting part's position, just also makes the lamp area possess the cuttability of freedom, and it is more convenient to use, the installation accuracy is higher.

The application also provides a lamp which comprises the back contact type lamp strip and an installation frame, wherein the installation frame is provided with an installation groove, and the installation groove is used for arranging the back contact type lamp strip; when the back contact type lamp strip is installed, the back contact type lamp strip is pushed, so that the back contact type lamp strip can move along the installation groove; because the lamp bead and the arrangement of the conductive bar are not interfered with each other, the lamp is more convenient to connect electricity and has stronger applicability.

Drawings

Fig. 1 is a schematic view of a conventional light strip structure;

fig. 2 is a schematic structural diagram of a back contact type light strip provided in the present application;

fig. 3 is a schematic structural diagram of a lamp provided in the present application;

FIG. 4 is an exploded view of the lamp shown in FIG. 3;

FIG. 5 is a schematic front view of the lamp shown in FIG. 3;

FIG. 6 is a schematic structural diagram of another lamp provided in the present application;

fig. 7 is an exploded view of the lamp shown in fig. 6.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The application provides a back of body contact formula lamp area, it includes: the substrate comprises a substrate 1, wherein the substrate 1 comprises a first surface A and a second surface B, and the first surface A and the second surface B are front and back surfaces of each other; the lamp bead 2 is arranged on the first surface A; the conductive strips 3 are arranged on the second surface B and are used for contacting the electric connection pieces 5; wherein, the electric connecting piece 5 is used for connecting a power supply; when the switch-on, the current can get into the conductive strip 3 through the power connection piece 5 and can act on the lamp bead 2 through the conductive strip 3, so that the lamp bead 2 emits light.

Specifically, referring to fig. 2, in the illustrated embodiment, one surface of the substrate 1 is a first surface a, and the first surface a is provided with beads 2; the opposite side of the substrate 1 is a second side B, and the second side B has a conductive strip 3.

The conductive strips 3 are in a strip-shaped structure, and the whole conductive strip 3 is exposed out of the second surface B; the lamp bead 2 is in circuit connection with the conductive bar 3; the contact of conducting strip 3 connects electrical component 5 after, the mains operated, the electric current can be through connecting electrical component 5, getting into conducting strip 3 to can get into lamp pearl 2 through conducting strip 3, cause lamp pearl 2 luminous.

In one embodiment, the substrate 1 is provided with a through hole, and the through hole penetrates through the first surface a and the second surface B of the substrate 1; the one end of through-hole is just to conducting strip 3, and lamp pearl 2 meets the electric position and passes through the through-hole and contact with conducting strip 3 to realize the circuit connection of lamp pearl 2 and conducting strip 3.

In another embodiment, a conductive circuit (made of metal material, such as copper foil) is arranged on the first surface a of the substrate 1, and the electric connection part of the lamp bead 2 is connected with the conductive circuit; the conductive circuit can extend to the second surface B of the substrate 1 and is connected with the conductive strip, or a conductive hole is formed in the substrate 1, a metal material is plated in the conductive hole, and the metal material is connected with the conductive strip 3 and the lamp bead 2; from this, realize lamp pearl 2 and conductive strip 3's circuit connection.

This application does not restrict the circuit connection mode of lamp pearl 2 and conducting strip 3, as long as the electric current can act on lamp pearl 2, make lamp pearl 2 normally work through conducting strip 3.

For the purpose of use, the substrate 1 is made of an insulating material, such as ceramic, resin or polymer composite. The conductive strips 3 are made of a conductive material, such as a metal material like copper.

Optionally, the substrate 1 is a PCB board.

In one embodiment, the PCB is a double-sided board, and conductive circuits made of copper foil are disposed on both sides of the PCB. The conductive strips 3 are copper foils arranged on the second surface B of the PCB, and the conductive strips 3 are connected with the copper foils on the first surface A of the PCB; the lamp beads 2 are arranged on the first surface A of the PVB plate and are also connected with copper foils arranged on the first surface A of the PCB plate.

Optionally, the lamp bead 2 is an LED chip.

The LED chip can convert electric energy into light energy. Specifically, the main material of the LED chip is monocrystalline silicon; the semiconductor chip is composed of two parts, one part is a P-type semiconductor, and the other part is an N-type semiconductor; when the two parts of semiconductors are connected, a P-N junction is formed between the two parts of semiconductors; when current acts on the LED chip, electrons flow from the N region to the P region, and in the P region, the electrons and holes are compounded to emit energy in the form of photons, so that the light emission of the LED chip is realized.

In one embodiment, the substrate 1 is a PCB, and the lamp beads 2 are LED chips. At this time, a first surface A of the substrate 1 is provided with a conductive circuit and a bonding pad which are formed by copper foil, and the conductive circuit is connected with the bonding pad circuit; the second surface B of the substrate 1 is provided with a conductive strip 3 formed by copper foil, and the conductive strip 3 is connected with a conductive circuit; the LED chip is welded on the bonding pad.

In other embodiments, the substrate 1 may be an FPC board, and the lamp beads 2 may be a tungsten lamp, an incandescent lamp, a fluorescent lamp, or the like. The application does not limit the specific material and configuration of the substrate 1, the conductive strips 3 and the lamp beads 2.

The conductive strips 3 and the lamp beads 2 are respectively arranged on the front surface and the back surface of the substrate 1, so that on one hand, the power connection part and the light emitting part of the lamp strip can be arranged in a partition manner, the two parts are prevented from interfering with each other, the intensive arrangement of the lamp beads 2 is facilitated, the volume of the lamp strip can be compressed, and the miniaturization of the lamp strip is realized; on the other hand, the arrangement of conducting strip 3 no longer receives the restriction of lamp pearl 2, and on the second face B of base plate 1, conducting strip 3 can set up to continuous long strip structure, so, the in-process in application lamp area no longer need decide the position of cutting according to conducting part 3', just also makes the lamp area possess free cuttability, and it is more convenient to use, the installation accuracy is higher.

In one embodiment, the back contact type lamp strip provided by the application comprises a plurality of lamp beads 2, wherein the plurality of lamp beads 2 are arranged at intervals along a first direction; the conductive strips 3 extend along a first direction; the lamp beads 2 are connected with the conductive strips 3, and when the lamp is electrified, current can cause all the lamp beads 2 to emit light through the conductive strips 3.

In this embodiment, the first direction may be regarded as a longitudinal direction of the substrate 1. Make the array orientation of lamp pearl 2, the extending direction of conducting strip 3 all parallel with the length direction of base plate 1, can enough make things convenient for the installation in lamp area 1, ensure that the direction of light-emitting is unified and definite, can make things convenient for lamp pearl 2 and 3 circuit connection of conducting strip again.

Specifically, a plurality of lamp beads 2 are arranged on the first surface a of the substrate 1 at intervals along the first direction, when any lamp bead 2 emits light, the light can cover a certain range, and when all the lamp beads 2 emit light, the illumination ranges of any two adjacent lamp beads 2 are adjacent, even at least part of the illumination ranges are overlapped; therefore, the light emitting area of the lamp strip is continuous and the lighting effect is good.

The second surface B of the substrate 1 is provided with a conductive strip 3, and the conductive strip 3 extends along a first direction. Generally, for the strip with a desired length obtained by cutting, two ends of the conductive strips 3 in the length direction are respectively aligned with two ends of the substrate 1 in the length direction; at the moment, the structures of the two ends of the lamp strip in the length direction are more consistent; when the electric connecting piece 5 is connected, the electric connecting piece 5 can be contacted with any end of the conductive bar 3; the lamp strip has good applicability and is more convenient to install.

In addition, the lamp beads 2 and the conductive strips 3 are respectively arranged on the front surface and the back surface of the substrate 1, and the lamp beads and the conductive strips are not interfered with each other. That is to say, no matter what the distance between the tip in the lamp area that cuts the acquisition and nearest one lamp pearl 2 is, the access of receiving electrical component 5 can not be interfered by lamp pearl 2, and receiving electrical component 5 can not influence the position and the work of lamp pearl 2 yet.

Optionally, the conductive strip 3 is a copper foil.

In other embodiments, the conductive strip 3 may be made of other conductive materials.

In order to facilitate the power connection of the bus bars 3, in one embodiment, the back contact type light strip provided by the application includes two bus bars 3, and the two bus bars 3 are arranged at intervals; one conductive strip 3 is used for connecting a zero line, and the other conductive strip 3 is used for connecting a live line; or one of the conductive strips 3 is used for connecting with the positive pole of the power supply, and the other conductive strip 3 is used for connecting with the negative pole of the power supply.

It should be explained that, when a direct current power supply is adopted for supplying power, the two conductive bars 3 are respectively connected with the positive pole and the negative pole of the power supply; when an alternating current power supply is adopted for supplying power, the two conductive bars 3 are respectively connected with a zero line and a live wire. So that two conductive strips 3 are spaced apart from each other, short circuits can be avoided.

It should be added that when two conductive strips 3 are disposed on the substrate 1, two electrical connection members 5 for connecting with the conductive strips 3 are also included, and the two electrical connection members 5 are respectively connected with one conductive strip 3.

In a specific embodiment, the lamp bead 2 is an LED chip, and the LED chip comprises an anode and a cathode; at this time, one of the conductive strips 3 is connected to the positive electrode circuit of the LED chip, and the other conductive strip 3 is connected to the negative electrode circuit of the LED chip. Therefore, the zero line, one of the conductive strips 3, the lamp bead 2, the other conductive strip 3 and the live wire can form a current loop.

In another embodiment, the back contact type light strip provided by the present application includes three conductive bars 3, where the three conductive bars 3 are arranged at intervals; one of the conductive strips 3 is used for connecting a zero line, the other conductive strip 3 is used for connecting a live line, and the other conductive strip 3 is used for connecting a ground line.

Different from the previous embodiment, the third conductive wire 3 is additionally arranged in the embodiment and is used for being connected with a ground wire so as to prevent electric shock accidents caused by the fact that the shell is electrified due to internal insulation damage in the using process of the lamp strip.

It should be added that when three conductive strips 3 are disposed on the substrate 1, the number of the electrical connection members 5 for connecting with the conductive strips 3 also includes three, and the three electrical connection members 5 are respectively connected with one conductive strip 3.

In other embodiments, the back contact lamp area that this application provided can only set up a busbar 3, also can set up more many busbars 3, can satisfy the circular telegram needs of lamp pearl 2 can.

The application also provides a lamp, which comprises the back contact type lamp strip and an installation frame 10, wherein an installation groove 11 is formed in the installation frame 10, and the installation groove 11 is used for arranging the back contact type lamp strip; when the back contact type lamp strip is installed, the back contact type lamp strip is pushed, and the back contact type lamp strip can move along the installation groove 11.

Referring specifically to fig. 3 to 5, in the illustrated embodiment, the mounting bracket 10 extends along a first direction and has a certain length; the lamp strip is arranged in the mounting groove 11 and also extends along the first direction.

Mounting bracket 10 is used for protecting the lamp area, hides the lamp area in mounting groove 11, can avoid the lamp area to expose outside, directly receive the harm, can also avoid user direct contact lamp area, be favorable to safe in utilization. In addition, the mounting bracket 10 is more easily fixedly connected with other structures (such as a cabinet body and a desktop of a lamp to be mounted), so that the lamp strip is conveniently mounted.

The mounting frame 10 may be made of an insulating material, such as a material made of plastic or active metal (such as aluminum, etc.), wherein the active metal is easily oxidized, and the oxide layer can play an insulating role.

In order to facilitate the lamp strip arranged in the mounting groove 11 to emit light outwards, in an embodiment, at least part of the mounting frame 10 is made of a light-transmitting material, and when the back-contact type lamp strip works, light can penetrate through the light-transmitting material and act outwards; in another embodiment, the mounting groove 11 is provided with an opening, and when the back contact type lamp strip works, light can act on the outside through the opening.

When the lamp strip is installed, if the installation frame 10 is provided with an opening, the lamp strip can be placed into the installation groove through the opening. Or, make the one end of lamp area length direction aim at the port of mounting groove 10, push the lamp area gradually in the mounting groove 10, can realize the installation in lamp area through the mode of pegging graft.

It is easy to understand that the larger the groove width of the mounting groove 11 is, the more convenient it is to insert the lamp strip into it, but the mounting groove 11 with the larger groove width cannot limit the position of the lamp strip, and the lamp strip is displaced in the mounting groove 11. Therefore, the installation groove 11 with a large groove width not only enables the whole lamp to have a large appearance, but also influences the accuracy of light emission.

When the groove width D of mounting groove 11 was close the width D in lamp area, two cell walls that set up relatively along the groove width direction can cooperate and block the lamp area, avoid the lamp area displacement, not only be favorable to reducing the lamps and lanterns appearance, can also guarantee the stable in position in lamp area.

Optionally, the groove width D of the mounting groove 11 is adapted to the width D of the back contact type light strip; wherein D-D is more than or equal to 0 and less than or equal to 2 mm.

Specifically, referring to fig. 5, in the illustrated embodiment, the light strip is disposed in the center of the mounting groove 11, and the distance between the left side of the light strip and the left wall of the mounting groove 11 = L, and D = D + 2L.

Through the interval of the shrink limit lamp area and 11 inner walls of mounting groove for the groove width D of mounting groove 11 slightly is greater than the width D in lamp area, neither can influence the installation in lamp area, can avoid lamp area excessive displacement in mounting groove 11 again.

Specifically, when the lamp strip is installed in an inserting manner, one end of the lamp strip in the length direction is inserted into one port of the installation groove 11, then the lamp strip is continuously pushed into the installation groove 11, and the lamp strip can only move to the other port along the installation groove 11 under the limitation of the groove wall of the installation groove 11; the mounting groove 11 can play the effect of restriction lamp area grafting direction. After the lamp strip is installed in place, the groove wall of the installation groove 11 is close to or even contacts one side of the width direction of the lamp strip, and the effect of limiting the movement of the lamp strip along the width direction of the lamp strip can be achieved.

Preferably, L =0.1 ± 0.5mm, 0.2mm ≦ D-D ≦ 1 mm.

Optionally, the lamp provided by the application further comprises an insulating sheet 4, and the insulating sheet 4 is arranged between the mounting frame 10 and the back contact type lamp strip.

Wherein, insulating piece 4 adopts insulating material preparation, can separate lamp area and mounting bracket 10, avoid the electric leakage.

It is noted that at least between the second face B of the base plate 1 and the mounting block 10, an insulating sheet 4 is provided, the conductive strips 3 being able to contact the insulating sheet 4, the walls of the slots remote from the mounting slot 11.

The insulation sheet 4 can be fixedly arranged on the inner wall of the mounting groove 11; for example, when the insulating sheet 4 is an insulating tape, it can be directly attached to the mounting block 10. When the lamp is assembled, firstly, the insulating sheet 4 is arranged in the mounting groove 11, and then the lamp strip is placed on the insulating sheet 4; the power connecting piece 5 can extend between the insulating sheet 4 and the lamp strip and contact the conductive bar 3; at this moment, insulating piece 4 can also separate electrical component 5 and mounting bracket 10 to avoid electrified electrical component 5 contact mounting bracket 10, lead to the electric leakage.

Optionally, when the opening is formed on the mounting frame 10, the lamp further includes a lampshade 20, and the lampshade 20 is used for shielding the opening.

In one embodiment, the lamp strip can be prevented from acting outwards by shielding the opening by the lampshade 20; the opening is shielded by the lampshade 20, so that the lamp belt can act outwards conveniently; at this time, the lamp cover 20 is made of a material opaque to light.

In another embodiment, the housing 20 serves as a protective cover to protect the light strip from outside contact; or the lamp strip can be prevented from directly acting on the outside, so that the working conditions such as brightness, orientation and the like of the lamp strip are optimized; at this time, the lamp cover 20 is made of a light-transmitting material.

In another embodiment, the lampshade 20 can cooperate with the wall of the mounting groove 11 to enhance the diffuse reflection of the light in the lamp strip; at this time, the lamp cover 20 is made of a light-transmitting material.

Because the mounting groove 11 possesses certain groove depth, when erectting dress or hoist and mount lamps and lanterns, if locate the lamp area in the mounting groove 11 not fixed with mounting bracket 10, overturn easily in mounting groove 11, slope even fall out from the opening.

In some embodiments, the light strip may be fixed in the mounting rack 10 by an adhesive or by a screw, but if the light strip is assembled with the mounting groove 11 by an inserting manner, it is inconvenient to use the adhesive or the adhesive tape; if the external connecting pieces such as screw holes and screws are required to be arranged, the appearance of the lamp is increased, and the miniaturization of the lamp is not facilitated.

To this end, in another embodiment, the lamp cover 20 is made of a light-transmitting material, and the lamp cover 20 includes: the profiling part 21 is matched with the surface of the lamp strip, and the lamp strip can be limited by the profiling part 21; and the light scattering part 22 is arranged on one side of the profiling part 21 far away from the lamp strip.

With particular reference to fig. 3 to 5, in the illustrated embodiment, the profiling portion 21 is proximate to the first surface a of the substrate 1, and has a shape adapted to the surface of the lamp strip on which the lamp beads 2 are disposed, and when the lamp strip is close to the profiling portion 21, the surface of the lamp strip can be attached to the profiling portion 21. The light scattering part 22 is provided above the profile part 21 and away from the lamp strip.

Make profile modeling portion 21 press close to the lamp area, profile modeling portion 21 can restrict the lamp area and move along its thickness direction to avoid the lamp area to receive 11 deep influences of mounting groove to have the degree of freedom.

Because the profile modeling portion 21 is close to lamp pearl 2, the lamp area during operation, light can directly pierce through profile modeling portion 21, and consequently, profile modeling portion 21's luminance is great, and direct-view is easy to harm the people's eye. The light scattering part 22 is arranged, so that the lampshade 20 has a double-layer structure, and light rays passing through the lampshade 20 can be refracted and reflected for the second time; therefore, on one hand, the irradiation range of light can be enlarged, the light emitting direction can be adjusted, on the other hand, the brightness of the light can be alleviated, and the light is prevented from being too dazzling. In addition, the diffuse reflection light can effectively illuminate the illuminated object, so that human eyes can see the illuminated object clearly, and the human eyes can be protected and the visual injury can be prevented.

Optionally, when the power receiving part 5 is not connected, a certain gap is formed between the profiling part 21 and the lamp strip; between piece 4 and the lamp area, contact busbar 3 back are connected to the electrical component 5 stretch into, partial lamp area is by 5 jack-ups of electrical component for by the laminating profile modeling portion 21 of partial lamp area of jack-up, the lamp area can be blocked by mounting groove 11 and profile modeling portion 21.

Optionally, the surface of the lamp strip is provided with a fluorescent glue 6, and the surface of the fluorescent glue 6 is an arc surface; the profiling portion 21 is close to one side of the lamp strip is provided with an arc groove, and the fluorescent glue 6 can stretch into the arc groove.

Specifically, referring to fig. 2 and 5, in the illustrated embodiment, the lamp strip includes a substrate 1, an upper surface of the substrate 1 is a first surface a, and a lamp bead 2 is disposed on the first surface a; the lower surface of the substrate 1 is a second surface B, and the second surface B is provided with a conductive strip 3. Still be provided with fluorescent glue 6 on the first face A, 6 parcel lamp pearls 2 of fluorescent glue have protection and radiating effect. By changing the color of the fluorescent glue 6, the luminous color of the lamp strip can also be changed.

Fluorescent glue 6 sets up to circular-arc cover on first face A, has both been favorable to the even light-emitting of lamp pearl 2, can avoid having the closed angle again to produce the potential safety hazard. The profiling part 21 is adapted to the fluorescent glue 6, and the surface of the fluorescent glue 6 can be attached to the groove surface of the arc groove after the fluorescent glue 6 extends into the arc groove; the arc configuration makes the contact area of the fluorescent glue 6 and the profile 21 larger, which is beneficial for the lamp cover 20 to define the lamp strip 1.

In one embodiment, the profiling portion 21 and the light scattering portion 22 are of a split structure, and are not directly connected. When the globe 20 is assembled, the copying portion 21 and the light scattering portion 22 need to be attached.

In another embodiment, the profile portion 21 and the light scattering portion 22 are of an integral structure.

In one embodiment, one side of the light scattering portion 22 is connected to the profile portion 21, and the other side thereof extends obliquely away from the profile portion 21; a diffusion groove C is provided between the profile portion 21 and the light diffusing portion 22.

Referring to fig. 5, in the illustrated embodiment, the left side of the light scattering portion 22 is connected to the profile portion 21, and the light scattering portion 22 extends upward from left to right, and a diffusion groove C is formed between the lower surface of the light scattering portion 22 and the upper surface of the profile portion 21. The diffusion grooves C are advantageous for heat dissipation and also advantageous for diffuse reflection of light.

By arranging the light-scattering part 22 obliquely, the light-emitting direction can be controlled, the diffuse reflection can be enhanced, the illumination effect can be optimized, and the light-emitting point can be further hidden. Specifically, when the lamp is installed, the side of the light scattering part 22 away from the profile part 21 (as shown in fig. 5, the right side of the profile part 21) is brought close to the position observed by human eyes; thus, when the human eyes look at the opening of the mounting rack 10 from the side of the mounting rack 10, the human eyes cannot directly see the lampshade 20; the observer needs to be close to the opening of the mounting frame 10 to see the light spot; even if the human eye sees the copying portion 21, the light is dispersed by the diffusion grooves C and is diffused by the copying portion 21, so that the human eye does not feel dazzling and the light is used more safely.

Optionally, when the light scattering part 22 is obliquely arranged, the included angle between the light scattering part 22 and the inner wall of the mounting groove 11 is 45 °.

In order to facilitate the installation of the lampshade 20, a first clamping block 22a is arranged on one side of the light scattering part 22, which is far away from the profiling part 21, and a first clamping groove 11a is arranged on the inner wall of the installation groove 11; when the first latch 22a is located in the first latch slot 11a, the first latch slot 11a can restrain the first latch 22 a.

Specifically, referring to fig. 5, in the illustrated embodiment, two protruding blocks protruding into the mounting groove 11 are disposed on the left wall of the mounting groove 11, the two protruding blocks are disposed at intervals along the vertical direction, a first card slot 11a is formed between the two protruding blocks, and the first card slot 11a extends along the first direction and has a certain length. The left end of the light scattering part 22 is provided with a first latch 22a extending in the vertical direction, and the first latch 22a also extends in the first direction and has a certain length.

When the lamp shade 20 and the mounting rack 10 are assembled, one end of the first clamping block 22a in the length direction is aligned with the end of the first clamping groove 11a, so that the lamp shade 20 can be pushed into the mounting groove 11, and the first clamping block 22a can only move along the first clamping groove 11a and cannot be separated from the first clamping groove 11a along other directions due to the limitation of the two convex blocks, so that the position of the lamp shade 20 can be limited by the first clamping groove 11 a.

If the two protrusions can move relatively, when the lamp cover 20 and the mounting bracket 10 are assembled, the two protrusions can be far away from each other, and after the first clamping block 22a enters between the two protrusions, the two protrusions approach each other and clamp the first clamping block 22 a.

As will be appreciated, when only one side of the lampshade 20 in the width direction is limited, if the movable space on the other side in the width direction is large, the first engaging piece 22a is easily separated from the first engaging groove 11a, and the lampshade 20 is also easily displaced.

For this reason, in one embodiment, the side of the light diffusion part 22 close to the profile part 21 abuts against the groove wall of the mounting groove 11, and the position of the lamp cover 20 in the mounting frame 10 is defined by the mutual friction force of the lamp cover 20 and the mounting frame 10.

In another embodiment, a second locking groove 22b is arranged at the connecting part of the profiling part 21 and the light scattering part 22, and a second locking block 11b is arranged on the inner wall of the mounting groove 11; when the second latch 11b is located in the second latch slot 22b, the second latch slot 22b can restrain the second latch 11 b.

Referring to fig. 5, in the embodiment, a second locking groove 22b is formed on a left side surface of the profiling portion 21 connected to the light scattering portion 22, and a second locking block 11b protruding into the mounting groove is formed on a left wall of the mounting groove 11. According to the above-described assembly manner of the first card slot 11a and the first latch 22a, the second card slot 22b and the second latch 11b can be assembled.

After the first clamping block 22a extends into the first clamping groove 11a and the second clamping block 11b extends into the second clamping groove 22b, two sides of the lampshade 20 in the vertical direction can be limited by the groove walls of the second clamping groove 22b and the first clamping groove 11a, and the left side and the right side of the lampshade 20 can be limited by the groove walls of the mounting groove 11, so that the lampshade 20 can only move along the first direction and cannot be separated from the mounting groove 11 along other directions.

In addition, through the mutual restriction of first fixture block 22a and first draw-in groove 11a, second fixture block 11b and second draw-in groove 22b, lamp shade 20 is limited in the degree of freedom of vertical direction, stretch into between insulating piece 4 and the lamp area, contact conducting strip 3 when leading to partial lamp area by jack-up, the lamp area of jack-up supports and leans on profile modeling portion 21, nevertheless can't promote lamp shade 20, just also makes lamp shade 20 can cooperate mounting bracket 10 to compress tightly, fixed lamp area.

Optionally, a third clamping block 11c is further disposed on the inner wall of the mounting groove 11, and the third clamping block 11c and the second clamping block 11b are disposed opposite to each other along the width direction of the mounting groove 11; the third latch 11c and the second latch 11b cooperate to better restrain the profile 21.

Referring to fig. 5, in the embodiment, a third latch 11c protruding into the mounting groove 11 is disposed on the left wall of the mounting groove 11. The profiling part 21 comprises an arc-shaped main body and vertical extending strips arranged on two sides of the arc-shaped main body, and the arc-shaped main body is used for matching the appearance of the fluorescent glue 6; because fluorescent glue 6 locates the middle part of base plate 1, when convex main part surrounded fluorescent glue 6, vertical extension strip can support and press base plate 1. The third engaging piece 11c and the second engaging piece 11b extend above one side of the circular arc-shaped body to restrict the movement of the copying portion 21 in the vertical direction, respectively. The side of the vertical extending strip is close to the groove wall of the mounting groove 11, and the mounting groove 11 can limit the motion of the profiling groove along the left and right directions.

Optionally, the mounting bracket 10 is further provided with side wings 12, and the side wings 12 are disposed at two sides of the opening of the mounting groove 11.

Referring to fig. 3 to 5, the left and right sides of the opening of the mounting groove 11 are respectively provided with a wing 12, and the wing 12 extends outward and has a certain width. When the mounting bracket 10 is placed in a groove or the mounting bracket 20 is hung, the wings 12 may be lapped on the mounting portion to mount the lamp.

Optionally, a fastening slot 13 is further provided on the mounting frame 10 for connecting a fastening buckle to fix the mounting frame 10.

Wherein the clips are used to reinforce the connection of the mounting bracket 10 and the channel mounting location. The buckle can be made of a metal sheet, and is influenced by material characteristics, and the metal sheet has certain elasticity; the buckle is approximately U-shaped, and two buckling parts which are relatively raised are arranged on the inner side wall of the buckle; two relatively sunken buckle grooves 13 are formed in the mounting frame 10; the mounting frame 10 is placed into a buckle, one of the buckling parts can extend into one of the buckling grooves 13, and the other buckling part can extend into the other buckling groove 13, so that the buckle can clamp the mounting frame 10. The snap fit into the channel mounting location, which can secure the mounting frame 10 and the channel mounting location.

Optionally, the lamp provided by the application further includes an end cover 30, and the end cover 30 is provided with an electric connection part 5; when the end cap 30 is coupled to the mounting bracket 10, the electric connecting member 5 can be inserted into the mounting groove 11 and contact the conductive bar 3.

Referring to fig. 3 in particular, in the illustrated embodiment, the mounting frame 10 has openings at two ends in the length direction, and the light strip and the lampshade 20 can be assembled with the mounting frame 10 through the openings. After the lamp strip and the lampshade 20 are assembled, the end cover 30 shields the end opening of the mounting frame 10; therefore, on one hand, the mounting frame 10 can be reinforced, and the mounting frame 10 with the mounting groove 11 is prevented from deforming under stress; on the other hand can further restrict the position of lamp area and lamp shade 20, avoid lamp area and lamp shade 20 to follow mounting groove 11 motion. Meanwhile, the end cap 30 also has the functions of beautifying the appearance, protecting the lamp strip, facilitating installation and the like.

The end cap 30 may be provided only at one end of the mounting bracket 10, or one end cap 30 may be provided at both ends of the mounting bracket 10, respectively, as needed.

Optionally, the end cap 30 is removably connected to the mounting bracket 10.

In actual use, the lamp strip, the mounting rack 10 and the lampshade 20 can be cut; after the lamp strip, the mounting frame 10 and the lampshade 20 with the required length are obtained by cutting, the three are assembled together, and then the end cover 30 is assembled at the end part of the mounting frame 10.

The end cover 30 is detachably connected with the mounting rack 10, so that the lamp strip can be quickly electrified; the lamp assembly can also be quickly disassembled when the light strip, mounting bracket 10 and/or light shade 20 need to be repaired, replaced, debugged or transferred.

In one embodiment, the end cap 30 is assembled with the mounting bracket 10 by plugging. Specifically, one side of the end cover 30 close to the mounting frame 10 is provided with an insertion block 33; the insert 33 can be inserted between the mounting frame 10 and the lamp housing 20 to facilitate the clamping of the end cap 30 with the mounting frame 10.

Referring specifically to fig. 6 and 7, in the illustrated embodiment, two insertion blocks 33 are disposed on a side surface of the end cap 30 close to the mounting frame 10; the globe 20 includes a profile portion 21 and a light scattering portion 22, one side of the light scattering portion 22 in the width direction is connected to the profile portion 21, the other side extends in a direction away from the profile portion 21, and a diffusion groove C is provided between the profile portion 21 and the light scattering portion 22. When the end cover 30 is clamped with the mounting frame 10, one of the insertion blocks 33 can extend into the diffusion groove C and is limited by the upper surface of the profile modeling part 21, the lower surface of the light scattering part 22 and the right wall of the mounting groove 11; the other plug-in block can extend into a V-shaped groove formed by the light scattering part 22 and the left wall of the mounting groove 11 and is limited by the upper surface of the light scattering part 22 and the left wall of the mounting groove 11.

Through contact of inserted block 33 with mounting bracket 10 and lamp shade 20, rely on the mutual friction on inserted block 22 surface and mounting groove inner wall and lamp shade 20 surface, can realize being connected with the firm of mounting bracket 10 with end cover 30.

In other embodiments, the end cap 30 and the mounting frame 10 may be detachably connected by screw connection, pin connection, or the like.

To facilitate the connection of the electric connection element 5 to the power source and the conductive strip 3, in one embodiment, the electric connection element 5 includes: an extension 5a protruding from the end cap 30 for contacting the light strip; an electric connection part 5b provided in the end cap 30; the side of the end cap 30 facing away from the mounting frame 10 is provided with a perforation 31, through which perforation 31 the power connection can contact the electrical connection part 5 b.

The end cover 30 is used for installing the electric connecting piece 5 and can play a role in protecting the electric connecting piece 5 and facilitating the electric connecting piece 5 to contact the conductive strip 3. The end cover 30 can be made of insulating materials, so that electric leakage when the power connection piece 5 is connected with a power supply is avoided. The electric connection piece 5 is made of conductive materials.

In one embodiment, referring to fig. 7, the extension portion 5a and the electrical connection portion 5b are of a unitary structure. The electric connecting piece 5 is approximately L-shaped, part of the electric connecting piece 5 protrudes out of the end cover 30 and is used as an extension part 5a, and the other part of the electric connecting piece 5 is positioned in the end cover 30 and is used as an electric connecting part 5 b; the electric connection part 5b is opposite to the through hole 31, and the electric connection part 5b can be contacted by a power supply connecting piece (such as a lead) extending into the through hole 31.

In other embodiments, the extension portion 5a and the electric connection portion 5b may be a split structure contacting each other; the application does not limit the specific configuration of the extension 5a and the electrical connection part 5b, as long as they cooperate to enable communication between the power source and the conductive strip 3.

In order to facilitate the installation of the electric connecting piece 5 in the end cover 30, an accommodating groove is formed in one side of the end cover 30, which is far away from the mounting frame 10, and an installation hole is formed in one side of the end cover 30, which is close to the mounting frame 10; the electric connecting part 5 is arranged in the accommodating groove, and the extending part 5a can penetrate through the mounting hole and extend out of the end cover 30. The end cap 30 further includes a block 34 for blocking the receiving slot; the through hole 31 penetrates through the block 34, and when the accommodating groove is blocked by the block 34, the through hole 31 is communicated with the accommodating groove. When the end cover 30 is assembled, the electric connecting piece 5 is firstly placed in the accommodating groove, and the extending part 5a extends out of the mounting hole; and then the block 34 is installed, and the block 34 can press the electric connecting part 5b against the bottom of the accommodating groove, so as to fix the electric connecting piece 5.

Optionally, a bracket 32 is disposed on a side of the end cap 30 close to the mounting frame 10, and the bracket 32 is used for supporting the extension portion 5 a.

Because the extension part 5a is convexly arranged outside the end cover 30, under the influence of self weight, the tail end of the extension part 5a far away from the end cover 30 is easy to droop, and the insertion of the extension part 5a between the base plate 1 and the mounting frame 10 is influenced; meanwhile, the extension part 5a protruding outwards is easy to deform under stress, and once the insertion process is blocked, the extension part 5a is likely to bend or distort to influence the connection with the conductive strip 3.

For this purpose, a holder 32 is provided for holding the extension 5 a. Referring specifically to fig. 7, in the illustrated embodiment, the bracket 32 is disposed on a side of the end cap 30 adjacent to the mounting bracket 10; the extension 5a, when protruding from the through hole, just rides on the pad 32. The holder block 32 can be inserted between the base plate 1 and the mount 10 together with the extension portion 5 a. When the end cap 30 is assembled with the mounting block 10, the extension 5a contacts the conductive strip 3 and the support block 32 contacts the insulating strip 4.

Optionally, the end of the extension 5a distal from the end cap 30 protrudes beyond the pad 32.

It is easy to understand, when end cover 30 is not pegged graft, the lamp area is close to insulating piece 4, and the clearance between the two is less, and the bearing has during the tray 32 of extension 5a stretches into between lamp area and the insulating piece 4, because its thickness is great, hardly inserts. However, the thickness of the single extending portion 5a is small, when the end cap 30 is inserted, the end of the extending portion 5a can be quickly inserted between the substrate 1 and the insulating sheet 4, so that the substrate 1 and the insulating sheet 4 are away from each other, and the subsequent supporting block 32 can be conveniently inserted between the substrate 1 and the insulating sheet 4.

Along with the bracket 32 gets into between base plate 1 and the insulating piece 4, the degree that the lamp area was jacked up increases, is favorable to the lamp area to be chucked between bracket 32 and lamp shade 20.

Alternatively, the thickness of the pads 32 is greater the further away from the mount 10. Referring to fig. 6, in the embodiment shown, the thickness of the supporting block 32 is gradually changed from the right end of the mounting block 10 to the smaller thickness of the supporting block 32 near the mounting block 10, so that the supporting block 32 is inserted between the substrate 1 and the insulating sheet 4.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not to be construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A back-contact light strip, comprising:

the substrate (1), the substrate (1) comprises a first surface (A) and a second surface (B), and the first surface (A) and the second surface (B) are positive and negative surfaces of each other;

the lamp beads (2) are arranged on the first surface (A);

the conductive strip (3) is arranged on the second surface (B) and is used for contacting the electric connection piece (5);

wherein the electric connecting piece (5) is used for connecting a power supply;

when the lamp is powered on, current can enter the conductive strips (3) through the power connection pieces (5) and can act on the lamp beads (2) through the conductive strips (3) so that the lamp beads (2) emit light.

2. A back-contact light strip according to claim 1, characterized by comprising a plurality of said light beads (2), said plurality of said light beads (2) being arranged at intervals along a first direction;

the conductive strips (3) extend along the first direction;

the lamp beads (2) are connected with the conductive strips (3), and when the lamp is electrified, current can cause all the lamp beads (2) to emit light through the conductive strips (3).

3. A back contact light strip according to claim 1, wherein the conductive strips (3) are copper foil.

4. A back-contact light strip according to any of claims 1-3, comprising two said conductive strips (3), said conductive strips (3) being spaced apart;

one conductive strip (3) is used for connecting a zero line, and the other conductive strip (3) is used for connecting a live line.

5. A back contact light strip according to any one of claims 1 to 3, comprising three conductive strips (3), wherein three conductive strips (3) are arranged at intervals;

one conductive strip (3) is used for connecting a zero line, the other conductive strip (3) is used for connecting a live line, and the other conductive strip (3) is used for connecting a ground line.

6. A luminaire comprising the back-contact light strip according to any one of claims 1 to 5, and further comprising a mounting frame (10), wherein the mounting frame (10) is provided with a mounting groove (11), and the mounting groove (11) is used for mounting the back-contact light strip;

when the back contact type lamp strip is installed, the back contact type lamp strip is pushed, and the back contact type lamp strip can move along the installation groove (11).

7. A luminaire as claimed in claim 6, characterized in that the mounting slot (11) has a slot width D corresponding to the width D of the back-contact light strip;

wherein D-D is more than or equal to 0 and less than or equal to 2 mm.

8. A lamp as claimed in claim 6, further comprising an insulating sheet (4), the insulating sheet (4) being provided between the mounting frame (10) and the back contact strip.

9. A lamp as claimed in claim 6, characterized in that said mounting groove (11) is provided with an opening through which light can pass when said back-contact lamp strip is in operation;

the lamp further comprises a lampshade (20), and the lampshade (20) is used for shielding the opening.

10. A lamp as claimed in claim 6, characterized by further comprising an end cap (30), said end cap (30) having said electrical connection element (5) arranged therein;

when end cover (30) with mounting bracket (10) link to each other, electrical component (5) can stretch into in mounting groove (11) and contact conducting strip (3).

Images